1 files changed, 1 insertions, 2 deletions
diff --git a/io.c b/io.c
index fb6b95da88..7845cec73d 100644
--- a/io.c
+++ b/io.c
@@ -11,11 +11,10 @@
 
 **********************************************************************/
 
-#include "ruby/ruby.h"
+#include "internal.h"
 #include "ruby/io.h"
 #include "ruby/thread.h"
 #include "dln.h"
-#include "internal.h"
 #include "id.h"
 #include <ctype.h>
 #include <errno.h>