diff --git a/src/dump.c b/src/dump.c
index cd2622a57..cf1ca87ce 100644
--- a/src/dump.c
+++ b/src/dump.c
@@ -12,9 +12,9 @@
 #include <mruby/irep.h>
 #include <mruby/numeric.h>
 #include <mruby/debug.h>
-#include <mruby/endian.h>
 
 #ifndef MRB_NO_FLOAT
+#include <mruby/endian.h>
 #ifdef MRB_USE_FLOAT32
 #define MRB_FLOAT_FMT "%.9g"
 #else