diff --git a/lib/cmdlib.py b/lib/cmdlib.py
index 05071be4828c1c42912f8656ee1d2b22a7220fa5..4f33e5f1873e89a368826b45d4117da1fddc8c40 100644
--- a/lib/cmdlib.py
+++ b/lib/cmdlib.py
@@ -8967,8 +8967,9 @@ class LUInstanceCreate(LogicalUnit):
 
           feedback_fn("* running the instance OS create scripts...")
           # FIXME: pass debug option from opcode to backend
-          result = self.rpc.call_instance_os_add(pnode_name, iobj, False,
-                                                 self.op.debug_level)
+          os_add_result = \
+            self.rpc.call_instance_os_add(pnode_name, iobj, False,
+                                          self.op.debug_level)
           if pause_sync:
             feedback_fn("* resuming disk sync")
             result = self.rpc.call_blockdev_pause_resume_sync(pnode_name,
@@ -8978,8 +8979,8 @@ class LUInstanceCreate(LogicalUnit):
                 logging.warn("resume-sync of instance %s for disk %d failed",
                              instance, idx)
 
-          result.Raise("Could not add os for instance %s"
-                       " on node %s" % (instance, pnode_name))
+          os_add_result.Raise("Could not add os for instance %s"
+                              " on node %s" % (instance, pnode_name))
 
       elif self.op.mode == constants.INSTANCE_IMPORT:
         feedback_fn("* running the instance OS import scripts...")