diff --git a/dtable.c b/dtable.c
index 73b8796..d83b386 100644
--- a/dtable.c
+++ b/dtable.c
@@ -684,6 +684,7 @@ PRIVATE void objc_send_initialize(id object)
 	LOCK(&initialize_lock);
 	if (objc_test_class_flag(meta, objc_class_flag_initialized))
 	{
+		UNLOCK(&initialize_lock);
 		return;
 	}