diff --git a/api/savedata.go b/api/savedata.go
index e52e1ed..f7b6827 100644
--- a/api/savedata.go
+++ b/api/savedata.go
@@ -53,7 +53,7 @@ func handleSavedataUpdate(uuid []byte, slot int, save any) error {
 
 	switch save := save.(type) {
 	case defs.SystemSaveData: // System
-		if save.TrainerID == 0 && save.SecretID == 0 {
+		if save.TrainerId == 0 && save.SecretId == 0 {
 			return fmt.Errorf("invalid system data")
 		}
 
diff --git a/defs/savedata.go b/defs/savedata.go
index cd4a150..7360f76 100644
--- a/defs/savedata.go
+++ b/defs/savedata.go
@@ -1,8 +1,8 @@
 package defs
 
 type SystemSaveData struct {
-	TrainerID          int                `json:"trainerId"`
-	SecretID           int                `json:"secretId"`
+	TrainerId          int                `json:"trainerId"`
+	SecretId           int                `json:"secretId"`
 	Gender             int                `json:"gender"`
 	DexData            DexData            `json:"dexData"`
 	StarterMoveData    StarterMoveData    `json:"starterMoveData"`
@@ -44,7 +44,7 @@ type VoucherUnlocks map[string]int
 type VoucherCounts map[string]int
 
 type EggData struct {
-	ID         int       `json:"id"`
+	Id         int       `json:"id"`
 	GachaType  GachaType `json:"gachaType"`
 	HatchWaves int       `json:"hatchWaves"`
 	Timestamp  int       `json:"timestamp"`