diff --git a/lib/cmdlib.py b/lib/cmdlib.py
index fa1b3d133fc9a5830b15b053ce203c578a4f651a..ba4614637812a187ed18f742a55d9f78d9a3cd75 100644
--- a/lib/cmdlib.py
+++ b/lib/cmdlib.py
@@ -3244,7 +3244,7 @@ class LUClusterRepairDiskSizes(NoHooksLU):
         locking.LEVEL_INSTANCE: locking.ALL_SET,
         }
     self.share_locks = {
-      locking.LEVEL_NODE: 1,
+      locking.LEVEL_NODE_RES: 1,
       locking.LEVEL_INSTANCE: 0,
       }