1 files changed, 1 insertions, 1 deletions
diff --git a/hash.c b/hash.c
index 8b6ea34229..333f950525 100644
--- a/hash.c
+++ b/hash.c
@@ -11,7 +11,7 @@
 
 **********************************************************************/
 
-#include "ruby/3/config.h"
+#include "ruby/impl/config.h"
 
 #include <errno.h>