1 files changed, 1 insertions, 1 deletions
diff --git a/debug.c b/debug.c
index 683f4ec074..ec28be3eb8 100644
--- a/debug.c
+++ b/debug.c
@@ -10,7 +10,7 @@
 
 **********************************************************************/
 
-#include "ruby.h"
+#include "ruby/ruby.h"
 #include "debug.h"
 
 void