1 files changed, 1 insertions, 1 deletions
diff --git a/debug.c b/debug.c
index 3dd0f71906..d4576b64e5 100644
--- a/debug.c
+++ b/debug.c
@@ -118,7 +118,7 @@ ruby_debug_printf(const char *format, ...)
     va_end(ap);
 }
 
-#include "gc.h"
+#include "internal/gc.h"
 
 VALUE
 ruby_debug_print_value(int level, int debug_level, const char *header, VALUE obj)