1 files changed, 1 insertions, 0 deletions
diff --git a/inits.c b/inits.c
index 6fb7463c57..73b9eb4283 100644
--- a/inits.c
+++ b/inits.c
@@ -10,6 +10,7 @@
 **********************************************************************/
 
 #include "ruby/ruby.h"
+#include "internal.h"
 
 #define CALL(n) {void Init_##n(void); Init_##n();}