1 files changed, 1 insertions, 1 deletions
diff --git a/gc.c b/gc.c
index 874cb981b3..f75a489ba5 100644
--- a/gc.c
+++ b/gc.c
@@ -32,7 +32,7 @@
 #include <stdarg.h>
 #include <setjmp.h>
 #include <sys/types.h>
-#include <assert.h>
+#include "ruby_assert.h"
 
 #undef rb_data_object_wrap