1 files changed, 1 insertions, 2 deletions
diff --git a/bignum.c b/bignum.c
index 74ca5b1b8d..dfbe2ecec9 100644
--- a/bignum.c
+++ b/bignum.c
@@ -9,10 +9,9 @@
 
 **********************************************************************/
 
-#include "ruby/ruby.h"
+#include "internal.h"
 #include "ruby/thread.h"
 #include "ruby/util.h"
-#include "internal.h"
 
 #ifdef HAVE_STRINGS_H
 #include <strings.h>