1 files changed, 1 insertions, 1 deletions
diff --git a/thread.c b/thread.c
index ad1f4764bb..674737640f 100644
--- a/thread.c
+++ b/thread.c
@@ -94,7 +94,7 @@
 #include "ruby/thread_native.h"
 #include "timev.h"
 #include "vm_core.h"
-#include "ractor.h"
+#include "ractor_core.h"
 #include "vm_debug.h"
 #include "vm_sync.h"