diff --git a/lang/vm.c b/lang/vm.c
index cd55c22..974c9e5 100644
--- a/lang/vm.c
+++ b/lang/vm.c
@@ -112,7 +112,7 @@
 		name = priv->tail_name;
 		priv->tail_obj = object_none();
 		priv->tail_name = NULL;
-	} while (obj != object_none());
+	} while (name != NULL);
 	priv->stack_base = old_base;
 }