diff --git a/Makefile b/Makefile
index 21bdaa1..c864c64 100644
--- a/Makefile
+++ b/Makefile
@@ -110,4 +110,4 @@ socket_getifidx.o socket_getifname.o: haven2i.h
 
 socket_connected.o: havesl.h
 
-fmt_xlong.o scan_double.o scan_xlong.o fmt_ip6_flat.o: haveinline.h
+fmt_xlong.o scan_xlong.o fmt_ip6_flat.o: haveinline.h
diff --git a/fmt/fmt_xlong.c b/fmt/fmt_xlong.c
index 6a35aa4..5a95c58 100644
--- a/fmt/fmt_xlong.c
+++ b/fmt/fmt_xlong.c
@@ -1,4 +1,5 @@
 #include "fmt.h"
+#include "haveinline.h"
 
 static inline char tohex(char c) {
   return c>=10?c-10+'a':c+'0';
diff --git a/scan/scan_xlong.c b/scan/scan_xlong.c
index 1113433..b82f721 100644
--- a/scan/scan_xlong.c
+++ b/scan/scan_xlong.c
@@ -1,4 +1,5 @@
 #include "scan.h"
+#include "haveinline.h"
 
 static inline int fromhex(unsigned char c) {
   if (c>='0' && c<='9')
diff --git a/socket/fmt_ip6_flat.c b/socket/fmt_ip6_flat.c
index d2a8e9b..a903d78 100644
--- a/socket/fmt_ip6_flat.c
+++ b/socket/fmt_ip6_flat.c
@@ -1,4 +1,5 @@
 #include "ip6.h"
+#include "haveinline.h"
 
 static inline char tohex(char c) {
   return c>=10?c-10+'a':c+'0';