1 files changed, 1 insertions, 1 deletions
diff --git a/range.c b/range.c
index 7421705ac5..d4732a1a82 100644
--- a/range.c
+++ b/range.c
@@ -9,7 +9,7 @@
 
 **********************************************************************/
 
-#include "ruby/impl/config.h"
+#include "ruby/internal/config.h"
 
 #include <assert.h>
 #include <math.h>