1 files changed, 1 insertions, 0 deletions
diff --git a/include/thread.h b/include/thread.h
index 0eb02b52..b4a1c946 100644
--- a/include/thread.h
+++ b/include/thread.h
@@ -60,6 +60,7 @@ struct Alt {
 };
 
 struct Ref {
+	Lock lk;
 	long ref;
 };