1 files changed, 2 insertions, 1 deletions
diff --git a/string.c b/string.c
index 390a9c3a58..582f58f485 100644
--- a/string.c
+++ b/string.c
@@ -11,8 +11,9 @@
 
 **********************************************************************/
 
-#include "internal.h"
+#include "ruby/encoding.h"
 #include "ruby/re.h"
+#include "internal.h"
 #include "encindex.h"
 #include "probes.h"
 #include "gc.h"