1 files changed, 1 insertions, 1 deletions
diff --git a/util.c b/util.c
index 4513b505ba..dc7f79ce2e 100644
--- a/util.c
+++ b/util.c
@@ -13,7 +13,7 @@
 # define MINGW_HAS_SECURE_API 1
 #endif
 
-#include "ruby/3/config.h"
+#include "ruby/impl/config.h"
 
 #include <ctype.h>
 #include <errno.h>