diff --git a/api/account.go b/api/account.go
index 768c6d6..790bea8 100644
--- a/api/account.go
+++ b/api/account.go
@@ -35,13 +35,13 @@ type AccountInfoResponse struct {
 func (s *Server) handleAccountInfo(w http.ResponseWriter, r *http.Request) {
 	username, err := getUsernameFromRequest(r)
 	if err != nil {
-		http.Error(w, err.Error(), http.StatusBadRequest)
+		httpError(w, r, err.Error(), http.StatusBadRequest)
 		return
 	}
 
 	uuid, err := getUuidFromRequest(r) // lazy
 	if err != nil {
-		http.Error(w, err.Error(), http.StatusBadRequest)
+		httpError(w, r, err.Error(), http.StatusBadRequest)
 		return
 	}
 
@@ -66,7 +66,7 @@ func (s *Server) handleAccountInfo(w http.ResponseWriter, r *http.Request) {
 
 	response, err := json.Marshal(AccountInfoResponse{Username: username, LastSessionSlot: latestSaveId})
 	if err != nil {
-		http.Error(w, fmt.Sprintf("failed to marshal response json: %s", err), http.StatusInternalServerError)
+		httpError(w, r, fmt.Sprintf("failed to marshal response json: %s", err), http.StatusInternalServerError)
 		return
 	}
 
@@ -80,17 +80,17 @@ func (s *Server) handleAccountRegister(w http.ResponseWriter, r *http.Request) {
 	var request AccountRegisterRequest
 	err := json.NewDecoder(r.Body).Decode(&request)
 	if err != nil {
-		http.Error(w, fmt.Sprintf("failed to decode request body: %s", err), http.StatusBadRequest)
+		httpError(w, r, fmt.Sprintf("failed to decode request body: %s", err), http.StatusBadRequest)
 		return
 	}
 
 	if !isValidUsername(request.Username) {
-		http.Error(w, "invalid username", http.StatusBadRequest)
+		httpError(w, r, "invalid username", http.StatusBadRequest)
 		return
 	}
 
 	if len(request.Password) < 6 {
-		http.Error(w, "invalid password", http.StatusBadRequest)
+		httpError(w, r, "invalid password", http.StatusBadRequest)
 		return
 	}
 
@@ -98,7 +98,7 @@ func (s *Server) handleAccountRegister(w http.ResponseWriter, r *http.Request) {
 
 	_, err = rand.Read(uuid)
 	if err != nil {
-		http.Error(w, fmt.Sprintf("failed to generate uuid: %s", err), http.StatusInternalServerError)
+		httpError(w, r, fmt.Sprintf("failed to generate uuid: %s", err), http.StatusInternalServerError)
 		return
 	}
 
@@ -106,13 +106,13 @@ func (s *Server) handleAccountRegister(w http.ResponseWriter, r *http.Request) {
 
 	_, err = rand.Read(salt)
 	if err != nil {
-		http.Error(w, fmt.Sprintf("failed to generate salt: %s", err), http.StatusInternalServerError)
+		httpError(w, r, fmt.Sprintf("failed to generate salt: %s", err), http.StatusInternalServerError)
 		return
 	}
 
 	err = db.AddAccountRecord(uuid, request.Username, argon2.IDKey([]byte(request.Password), salt, argonTime, argonMemory, argonThreads, argonKeyLength), salt)
 	if err != nil {
-		http.Error(w, fmt.Sprintf("failed to add account record: %s", err), http.StatusInternalServerError)
+		httpError(w, r, fmt.Sprintf("failed to add account record: %s", err), http.StatusInternalServerError)
 		return
 	}
 
@@ -127,33 +127,33 @@ func (s *Server) handleAccountLogin(w http.ResponseWriter, r *http.Request) {
 	var request AccountLoginRequest
 	err := json.NewDecoder(r.Body).Decode(&request)
 	if err != nil {
-		http.Error(w, fmt.Sprintf("failed to decode request body: %s", err), http.StatusBadRequest)
+		httpError(w, r, fmt.Sprintf("failed to decode request body: %s", err), http.StatusBadRequest)
 		return
 	}
 
 	if !isValidUsername(request.Username) {
-		http.Error(w, "invalid username", http.StatusBadRequest)
+		httpError(w, r, "invalid username", http.StatusBadRequest)
 		return
 	}
 
 	if len(request.Password) < 6 {
-		http.Error(w, "invalid password", http.StatusBadRequest)
+		httpError(w, r, "invalid password", http.StatusBadRequest)
 		return
 	}
 
 	key, salt, err := db.FetchAccountKeySaltFromUsername(request.Username)
 	if err != nil {
 		if err == sql.ErrNoRows {
-			http.Error(w, "account doesn't exist", http.StatusBadRequest)
+			httpError(w, r, "account doesn't exist", http.StatusBadRequest)
 			return
 		}
 
-		http.Error(w, err.Error(), http.StatusInternalServerError)
+		httpError(w, r, err.Error(), http.StatusInternalServerError)
 		return
 	}
 
 	if !bytes.Equal(key, argon2.IDKey([]byte(request.Password), salt, argonTime, argonMemory, argonThreads, argonKeyLength)) {
-		http.Error(w, "password doesn't match", http.StatusBadRequest)
+		httpError(w, r, "password doesn't match", http.StatusBadRequest)
 		return
 	}
 
@@ -161,19 +161,19 @@ func (s *Server) handleAccountLogin(w http.ResponseWriter, r *http.Request) {
 
 	_, err = rand.Read(token)
 	if err != nil {
-		http.Error(w, fmt.Sprintf("failed to generate token: %s", err), http.StatusInternalServerError)
+		httpError(w, r, fmt.Sprintf("failed to generate token: %s", err), http.StatusInternalServerError)
 		return
 	}
 
 	err = db.AddAccountSession(request.Username, token)
 	if err != nil {
-		http.Error(w, "failed to add account session", http.StatusInternalServerError)
+		httpError(w, r, "failed to add account session", http.StatusInternalServerError)
 		return
 	}
 
 	response, err := json.Marshal(AccountLoginResponse{Token: base64.StdEncoding.EncodeToString(token)})
 	if err != nil {
-		http.Error(w, fmt.Sprintf("failed to marshal response json: %s", err), http.StatusInternalServerError)
+		httpError(w, r, fmt.Sprintf("failed to marshal response json: %s", err), http.StatusInternalServerError)
 		return
 	}
 
@@ -184,23 +184,23 @@ func (s *Server) handleAccountLogin(w http.ResponseWriter, r *http.Request) {
 func (s *Server) handleAccountLogout(w http.ResponseWriter, r *http.Request) {
 	token, err := base64.StdEncoding.DecodeString(r.Header.Get("Authorization"))
 	if err != nil {
-		http.Error(w, fmt.Sprintf("failed to decode token: %s", err), http.StatusBadRequest)
+		httpError(w, r, fmt.Sprintf("failed to decode token: %s", err), http.StatusBadRequest)
 		return
 	}
 
 	if len(token) != 32 {
-		http.Error(w, "invalid token", http.StatusBadRequest)
+		httpError(w, r, "invalid token", http.StatusBadRequest)
 		return
 	}
 
 	err = db.RemoveSessionFromToken(token)
 	if err != nil {
 		if err == sql.ErrNoRows {
-			http.Error(w, "token not found", http.StatusBadRequest)
+			httpError(w, r, "token not found", http.StatusBadRequest)
 			return
 		}
 
-		http.Error(w, "failed to remove account session", http.StatusInternalServerError)
+		httpError(w, r, "failed to remove account session", http.StatusInternalServerError)
 		return
 	}
 
diff --git a/api/daily.go b/api/daily.go
index 70a79de..c65fc20 100644
--- a/api/daily.go
+++ b/api/daily.go
@@ -81,7 +81,7 @@ func (s *Server) handleSeed(w http.ResponseWriter) {
 func (s *Server) handleRankings(w http.ResponseWriter, r *http.Request) {
 	uuid, err := getUuidFromRequest(r)
 	if err != nil {
-		http.Error(w, err.Error(), http.StatusBadRequest)
+		httpError(w, r, err.Error(), http.StatusBadRequest)
 		return
 	}
 
@@ -94,7 +94,7 @@ func (s *Server) handleRankings(w http.ResponseWriter, r *http.Request) {
 	if r.URL.Query().Has("category") {
 		category, err = strconv.Atoi(r.URL.Query().Get("category"))
 		if err != nil {
-			http.Error(w, fmt.Sprintf("failed to convert category: %s", err), http.StatusBadRequest)
+			httpError(w, r, fmt.Sprintf("failed to convert category: %s", err), http.StatusBadRequest)
 			return
 		}
 	}
@@ -103,7 +103,7 @@ func (s *Server) handleRankings(w http.ResponseWriter, r *http.Request) {
 	if r.URL.Query().Has("page") {
 		page, err = strconv.Atoi(r.URL.Query().Get("page"))
 		if err != nil {
-			http.Error(w, fmt.Sprintf("failed to convert page: %s", err), http.StatusBadRequest)
+			httpError(w, r, fmt.Sprintf("failed to convert page: %s", err), http.StatusBadRequest)
 			return
 		}
 	}
@@ -115,7 +115,7 @@ func (s *Server) handleRankings(w http.ResponseWriter, r *http.Request) {
 
 	response, err := json.Marshal(rankings)
 	if err != nil {
-		http.Error(w, fmt.Sprintf("failed to marshal response json: %s", err), http.StatusInternalServerError)
+		httpError(w, r, fmt.Sprintf("failed to marshal response json: %s", err), http.StatusInternalServerError)
 		return
 	}
 
@@ -130,7 +130,7 @@ func (s *Server) handleRankingPageCount(w http.ResponseWriter, r *http.Request)
 	if r.URL.Query().Has("category") {
 		category, err = strconv.Atoi(r.URL.Query().Get("category"))
 		if err != nil {
-			http.Error(w, fmt.Sprintf("failed to convert category: %s", err), http.StatusBadRequest)
+			httpError(w, r, fmt.Sprintf("failed to convert category: %s", err), http.StatusBadRequest)
 			return
 		}
 	}
@@ -142,7 +142,7 @@ func (s *Server) handleRankingPageCount(w http.ResponseWriter, r *http.Request)
 
 	response, err := json.Marshal(pageCount)
 	if err != nil {
-		http.Error(w, fmt.Sprintf("failed to marshal response json: %s", err), http.StatusInternalServerError)
+		httpError(w, r, fmt.Sprintf("failed to marshal response json: %s", err), http.StatusInternalServerError)
 		return
 	}
 
diff --git a/api/error.go b/api/error.go
new file mode 100644
index 0000000..2fe0c42
--- /dev/null
+++ b/api/error.go
@@ -0,0 +1,11 @@
+package api
+
+import (
+	"log"
+	"net/http"
+)
+
+func httpError(w http.ResponseWriter, r *http.Request, error string, code int) {
+	log.Printf("%s: %s %d\n", r.URL.Path, error, code)
+	http.Error(w, error, code)
+}
diff --git a/api/game.go b/api/game.go
index f3e1b54..c288346 100644
--- a/api/game.go
+++ b/api/game.go
@@ -41,10 +41,10 @@ func updateStats() {
 }
 
 // /game/playercount - get player count
-func (s *Server) handlePlayerCountGet(w http.ResponseWriter) {
+func (s *Server) handlePlayerCountGet(w http.ResponseWriter, r *http.Request) {
 	response, err := json.Marshal(playerCount)
 	if err != nil {
-		http.Error(w, fmt.Sprintf("failed to marshal response json: %s", err), http.StatusInternalServerError)
+		httpError(w, r, fmt.Sprintf("failed to marshal response json: %s", err), http.StatusInternalServerError)
 		return
 	}
 
@@ -52,14 +52,14 @@ func (s *Server) handlePlayerCountGet(w http.ResponseWriter) {
 }
 
 // /game/titlestats - get title stats
-func (s *Server) handleTitleStatsGet(w http.ResponseWriter) {
+func (s *Server) handleTitleStatsGet(w http.ResponseWriter, r *http.Request) {
 	titleStats := &defs.TitleStats{
 		PlayerCount: playerCount,
 		BattleCount: battleCount,
 	}
 	response, err := json.Marshal(titleStats)
 	if err != nil {
-		http.Error(w, fmt.Sprintf("failed to marshal response json: %s", err), http.StatusInternalServerError)
+		httpError(w, r, fmt.Sprintf("failed to marshal response json: %s", err), http.StatusInternalServerError)
 		return
 	}
 
@@ -67,10 +67,10 @@ func (s *Server) handleTitleStatsGet(w http.ResponseWriter) {
 }
 
 // /game/classicsessioncount - get classic session count
-func (s *Server) handleClassicSessionCountGet(w http.ResponseWriter) {
+func (s *Server) handleClassicSessionCountGet(w http.ResponseWriter, r *http.Request) {
 	response, err := json.Marshal(classicSessionCount)
 	if err != nil {
-		http.Error(w, fmt.Sprintf("failed to marshal response json: %s", err), http.StatusInternalServerError)
+		httpError(w, r, fmt.Sprintf("failed to marshal response json: %s", err), http.StatusInternalServerError)
 		return
 	}
 
diff --git a/api/generic.go b/api/generic.go
index fec36a9..7235c10 100644
--- a/api/generic.go
+++ b/api/generic.go
@@ -35,11 +35,11 @@ func (s *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		s.handleAccountLogout(w, r)
 
 	case "/game/playercount":
-		s.handlePlayerCountGet(w)
+		s.handlePlayerCountGet(w, r)
 	case "/game/titlestats":
-		s.handleTitleStatsGet(w)
+		s.handleTitleStatsGet(w, r)
 	case "/game/classicsessioncount":
-		s.handleClassicSessionCountGet(w)
+		s.handleClassicSessionCountGet(w, r)
 
 	case "/savedata/get":
 		s.handleSavedataGet(w, r)
diff --git a/api/savedata.go b/api/savedata.go
index 4dadee0..260a744 100644
--- a/api/savedata.go
+++ b/api/savedata.go
@@ -22,7 +22,7 @@ const sessionSlotCount = 3
 func (s *Server) handleSavedataGet(w http.ResponseWriter, r *http.Request) {
 	uuid, err := getUuidFromRequest(r)
 	if err != nil {
-		http.Error(w, err.Error(), http.StatusBadRequest)
+		httpError(w, r, err.Error(), http.StatusBadRequest)
 		return
 	}
 
@@ -30,13 +30,13 @@ func (s *Server) handleSavedataGet(w http.ResponseWriter, r *http.Request) {
 	case "0": // System
 		system, err := readSystemSaveData(uuid)
 		if err != nil {
-			http.Error(w, err.Error(), http.StatusInternalServerError)
+			httpError(w, r, err.Error(), http.StatusInternalServerError)
 			return
 		}
 
 		saveJson, err := json.Marshal(system)
 		if err != nil {
-			http.Error(w, fmt.Sprintf("failed to marshal save to json: %s", err), http.StatusInternalServerError)
+			httpError(w, r, fmt.Sprintf("failed to marshal save to json: %s", err), http.StatusInternalServerError)
 			return
 		}
 
@@ -44,30 +44,30 @@ func (s *Server) handleSavedataGet(w http.ResponseWriter, r *http.Request) {
 	case "1": // Session
 		slotId, err := strconv.Atoi(r.URL.Query().Get("slot"))
 		if err != nil {
-			http.Error(w, fmt.Sprintf("failed to convert slot id: %s", err), http.StatusBadRequest)
+			httpError(w, r, fmt.Sprintf("failed to convert slot id: %s", err), http.StatusBadRequest)
 			return
 		}
 
 		if slotId < 0 || slotId >= sessionSlotCount {
-			http.Error(w, fmt.Sprintf("slot id %d out of range", slotId), http.StatusBadRequest)
+			httpError(w, r, fmt.Sprintf("slot id %d out of range", slotId), http.StatusBadRequest)
 			return
 		}
 
 		session, err := readSessionSaveData(uuid, slotId)
 		if err != nil {
-			http.Error(w, err.Error(), http.StatusInternalServerError)
+			httpError(w, r, err.Error(), http.StatusInternalServerError)
 			return
 		}
 
 		saveJson, err := json.Marshal(session)
 		if err != nil {
-			http.Error(w, fmt.Sprintf("failed to marshal save to json: %s", err), http.StatusInternalServerError)
+			httpError(w, r, fmt.Sprintf("failed to marshal save to json: %s", err), http.StatusInternalServerError)
 			return
 		}
 
 		w.Write(saveJson)
 	default:
-		http.Error(w, "invalid data type", http.StatusBadRequest)
+		httpError(w, r, "invalid data type", http.StatusBadRequest)
 		return
 	}
 }
@@ -76,7 +76,7 @@ func (s *Server) handleSavedataGet(w http.ResponseWriter, r *http.Request) {
 func (s *Server) handleSavedataUpdate(w http.ResponseWriter, r *http.Request) {
 	uuid, err := getUuidFromRequest(r)
 	if err != nil {
-		http.Error(w, err.Error(), http.StatusBadRequest)
+		httpError(w, r, err.Error(), http.StatusBadRequest)
 		return
 	}
 
@@ -92,31 +92,31 @@ func (s *Server) handleSavedataUpdate(w http.ResponseWriter, r *http.Request) {
 		var system defs.SystemSaveData
 		err = json.NewDecoder(r.Body).Decode(&system)
 		if err != nil {
-			http.Error(w, fmt.Sprintf("failed to decode request body: %s", err), http.StatusBadRequest)
+			httpError(w, r, fmt.Sprintf("failed to decode request body: %s", err), http.StatusBadRequest)
 			return
 		}
 
 		if system.TrainerId == 0 && system.SecretId == 0 {
-			http.Error(w, "invalid system data", http.StatusInternalServerError)
+			httpError(w, r, "invalid system data", http.StatusInternalServerError)
 			return
 		}
 
 		err = db.UpdateAccountStats(uuid, system.GameStats)
 		if err != nil {
-			http.Error(w, fmt.Sprintf("failed to update account stats: %s", err), http.StatusBadRequest)
+			httpError(w, r, fmt.Sprintf("failed to update account stats: %s", err), http.StatusBadRequest)
 			return
 		}
 
 		var gobBuffer bytes.Buffer
 		err = gob.NewEncoder(&gobBuffer).Encode(system)
 		if err != nil {
-			http.Error(w, fmt.Sprintf("failed to serialize save: %s", err), http.StatusInternalServerError)
+			httpError(w, r, fmt.Sprintf("failed to serialize save: %s", err), http.StatusInternalServerError)
 			return
 		}
 
 		zstdWriter, err := zstd.NewWriter(nil)
 		if err != nil {
-			http.Error(w, fmt.Sprintf("failed to create zstd writer, %s", err), http.StatusInternalServerError)
+			httpError(w, r, fmt.Sprintf("failed to create zstd writer, %s", err), http.StatusInternalServerError)
 			return
 		}
 
@@ -124,24 +124,24 @@ func (s *Server) handleSavedataUpdate(w http.ResponseWriter, r *http.Request) {
 
 		err = os.MkdirAll("userdata/"+hexUuid, 0755)
 		if err != nil && !os.IsExist(err) {
-			http.Error(w, fmt.Sprintf("failed to create userdata folder: %s", err), http.StatusInternalServerError)
+			httpError(w, r, fmt.Sprintf("failed to create userdata folder: %s", err), http.StatusInternalServerError)
 			return
 		}
 
 		err = os.WriteFile("userdata/"+hexUuid+"/system.pzs", compressed, 0644)
 		if err != nil {
-			http.Error(w, fmt.Sprintf("failed to write save file: %s", err), http.StatusInternalServerError)
+			httpError(w, r, fmt.Sprintf("failed to write save file: %s", err), http.StatusInternalServerError)
 			return
 		}
 	case "1": // Session
 		slotId, err := strconv.Atoi(r.URL.Query().Get("slot"))
 		if err != nil {
-			http.Error(w, fmt.Sprintf("failed to convert slot id: %s", err), http.StatusBadRequest)
+			httpError(w, r, fmt.Sprintf("failed to convert slot id: %s", err), http.StatusBadRequest)
 			return
 		}
 
 		if slotId < 0 || slotId >= sessionSlotCount {
-			http.Error(w, fmt.Sprintf("slot id %d out of range", slotId), http.StatusBadRequest)
+			httpError(w, r, fmt.Sprintf("slot id %d out of range", slotId), http.StatusBadRequest)
 			return
 		}
 
@@ -153,20 +153,20 @@ func (s *Server) handleSavedataUpdate(w http.ResponseWriter, r *http.Request) {
 		var session defs.SessionSaveData
 		err = json.NewDecoder(r.Body).Decode(&session)
 		if err != nil {
-			http.Error(w, fmt.Sprintf("failed to decode request body: %s", err), http.StatusBadRequest)
+			httpError(w, r, fmt.Sprintf("failed to decode request body: %s", err), http.StatusBadRequest)
 			return
 		}
 
 		var gobBuffer bytes.Buffer
 		err = gob.NewEncoder(&gobBuffer).Encode(session)
 		if err != nil {
-			http.Error(w, fmt.Sprintf("failed to serialize save: %s", err), http.StatusInternalServerError)
+			httpError(w, r, fmt.Sprintf("failed to serialize save: %s", err), http.StatusInternalServerError)
 			return
 		}
 
 		zstdWriter, err := zstd.NewWriter(nil)
 		if err != nil {
-			http.Error(w, fmt.Sprintf("failed to create zstd writer, %s", err), http.StatusInternalServerError)
+			httpError(w, r, fmt.Sprintf("failed to create zstd writer, %s", err), http.StatusInternalServerError)
 			return
 		}
 
@@ -174,17 +174,17 @@ func (s *Server) handleSavedataUpdate(w http.ResponseWriter, r *http.Request) {
 
 		err = os.MkdirAll("userdata/"+hexUuid, 0755)
 		if err != nil && !os.IsExist(err) {
-			http.Error(w, fmt.Sprintf("failed to create userdata folder: %s", err), http.StatusInternalServerError)
+			httpError(w, r, fmt.Sprintf("failed to create userdata folder: %s", err), http.StatusInternalServerError)
 			return
 		}
 
 		err = os.WriteFile(fmt.Sprintf("userdata/%s/%s.pzs", hexUuid, fileName), compressed, 0644)
 		if err != nil {
-			http.Error(w, fmt.Sprintf("failed to write save file: %s", err), http.StatusInternalServerError)
+			httpError(w, r, fmt.Sprintf("failed to write save file: %s", err), http.StatusInternalServerError)
 			return
 		}
 	default:
-		http.Error(w, "invalid data type", http.StatusBadRequest)
+		httpError(w, r, "invalid data type", http.StatusBadRequest)
 		return
 	}
 
@@ -195,7 +195,7 @@ func (s *Server) handleSavedataUpdate(w http.ResponseWriter, r *http.Request) {
 func (s *Server) handleSavedataDelete(w http.ResponseWriter, r *http.Request) {
 	uuid, err := getUuidFromRequest(r)
 	if err != nil {
-		http.Error(w, err.Error(), http.StatusBadRequest)
+		httpError(w, r, err.Error(), http.StatusBadRequest)
 		return
 	}
 
@@ -210,18 +210,18 @@ func (s *Server) handleSavedataDelete(w http.ResponseWriter, r *http.Request) {
 	case "0": // System
 		err := os.Remove("userdata/" + hexUuid + "/system.pzs")
 		if err != nil && !os.IsNotExist(err) {
-			http.Error(w, fmt.Sprintf("failed to delete save file: %s", err), http.StatusInternalServerError)
+			httpError(w, r, fmt.Sprintf("failed to delete save file: %s", err), http.StatusInternalServerError)
 			return
 		}
 	case "1": // Session
 		slotId, err := strconv.Atoi(r.URL.Query().Get("slot"))
 		if err != nil {
-			http.Error(w, fmt.Sprintf("failed to convert slot id: %s", err), http.StatusBadRequest)
+			httpError(w, r, fmt.Sprintf("failed to convert slot id: %s", err), http.StatusBadRequest)
 			return
 		}
 
 		if slotId < 0 || slotId >= sessionSlotCount {
-			http.Error(w, fmt.Sprintf("slot id %d out of range", slotId), http.StatusBadRequest)
+			httpError(w, r, fmt.Sprintf("slot id %d out of range", slotId), http.StatusBadRequest)
 			return
 		}
 
@@ -232,11 +232,11 @@ func (s *Server) handleSavedataDelete(w http.ResponseWriter, r *http.Request) {
 
 		err = os.Remove(fmt.Sprintf("userdata/%s/%s.pzs", hexUuid, fileName))
 		if err != nil && !os.IsNotExist(err) {
-			http.Error(w, fmt.Sprintf("failed to delete save file: %s", err), http.StatusInternalServerError)
+			httpError(w, r, fmt.Sprintf("failed to delete save file: %s", err), http.StatusInternalServerError)
 			return
 		}
 	default:
-		http.Error(w, "invalid data type", http.StatusBadRequest)
+		httpError(w, r, "invalid data type", http.StatusBadRequest)
 		return
 	}
 
@@ -251,7 +251,7 @@ type SavedataClearResponse struct {
 func (s *Server) handleSavedataClear(w http.ResponseWriter, r *http.Request) {
 	uuid, err := getUuidFromRequest(r)
 	if err != nil {
-		http.Error(w, err.Error(), http.StatusBadRequest)
+		httpError(w, r, err.Error(), http.StatusBadRequest)
 		return
 	}
 
@@ -262,19 +262,19 @@ func (s *Server) handleSavedataClear(w http.ResponseWriter, r *http.Request) {
 
 	slotId, err := strconv.Atoi(r.URL.Query().Get("slot"))
 	if err != nil {
-		http.Error(w, fmt.Sprintf("failed to convert slot id: %s", err), http.StatusBadRequest)
+		httpError(w, r, fmt.Sprintf("failed to convert slot id: %s", err), http.StatusBadRequest)
 		return
 	}
 
 	if slotId < 0 || slotId >= sessionSlotCount {
-		http.Error(w, fmt.Sprintf("slot id %d out of range", slotId), http.StatusBadRequest)
+		httpError(w, r, fmt.Sprintf("slot id %d out of range", slotId), http.StatusBadRequest)
 		return
 	}
 
 	var session defs.SessionSaveData
 	err = json.NewDecoder(r.Body).Decode(&session)
 	if err != nil {
-		http.Error(w, fmt.Sprintf("failed to decode request body: %s", err), http.StatusBadRequest)
+		httpError(w, r, fmt.Sprintf("failed to decode request body: %s", err), http.StatusBadRequest)
 		return
 	}
 
@@ -301,7 +301,7 @@ func (s *Server) handleSavedataClear(w http.ResponseWriter, r *http.Request) {
 
 	response, err := json.Marshal(SavedataClearResponse{Success: newCompletion})
 	if err != nil {
-		http.Error(w, fmt.Sprintf("failed to marshal response json: %s", err), http.StatusInternalServerError)
+		httpError(w, r, fmt.Sprintf("failed to marshal response json: %s", err), http.StatusInternalServerError)
 		return
 	}
 
@@ -312,7 +312,7 @@ func (s *Server) handleSavedataClear(w http.ResponseWriter, r *http.Request) {
 
 	err = os.Remove(fmt.Sprintf("userdata/%s/%s.pzs", hex.EncodeToString(uuid), fileName))
 	if err != nil && !os.IsNotExist(err) {
-		http.Error(w, fmt.Sprintf("failed to delete save file: %s", err), http.StatusInternalServerError)
+		httpError(w, r, fmt.Sprintf("failed to delete save file: %s", err), http.StatusInternalServerError)
 		return
 	}