1 files changed, 11 insertions, 4 deletions
diff --git a/re.c b/re.c
index b15c3a07a8..56b5144f9f 100644
--- a/re.c
+++ b/re.c
@@ -9,13 +9,20 @@
 
 **********************************************************************/
 
+#include "ruby/config.h"
+
+#include <ctype.h>
+
+#include "encindex.h"
+#include "internal.h"
+#include "internal/error.h"
+#include "internal/hash.h"
+#include "internal/imemo.h"
+#include "internal/re.h"
+#include "regint.h"
 #include "ruby/encoding.h"
 #include "ruby/re.h"
 #include "ruby/util.h"
-#include "internal.h"
-#include "regint.h"
-#include "encindex.h"
-#include <ctype.h>
 
 VALUE rb_eRegexpError;