1 files changed, 1 insertions, 1 deletions
diff --git a/debug.c b/debug.c
index cc6a98a906..deec382fa4 100644
--- a/debug.c
+++ b/debug.c
@@ -26,7 +26,7 @@
 #include "vm_debug.h"
 #include "vm_callinfo.h"
 #include "ruby/thread_native.h"
-#include "ractor.h"
+#include "ractor_core.h"
 
 /* This is the only place struct RIMemo is actually used */
 struct RIMemo {