diff --git a/PhysicsTools/PatUtils/python/tools/runMETCorrectionsAndUncertainties.py b/PhysicsTools/PatUtils/python/tools/runMETCorrectionsAndUncertainties.py
index 6cff73f046248..329c26b80caf4 100644
--- a/PhysicsTools/PatUtils/python/tools/runMETCorrectionsAndUncertainties.py
+++ b/PhysicsTools/PatUtils/python/tools/runMETCorrectionsAndUncertainties.py
@@ -1842,7 +1842,11 @@ def miniAODConfiguration(self, process, pfCandCollection, jetCollection,
             del getattr(process,"slimmedMETs"+postfix).tXYUncForT01Smear
             #del getattr(process,"slimmedMETs"+postfix).caloMET
 
-            task.add(miniAODConfiguration_task)
+            if not hasattr(process, "miniAODConfiguration_task"+postfix):
+                setattr(process, "miniAODConfiguration_task"+postfix, miniAODConfiguration_task)
+            else:
+                getattr(process, "miniAODConfiguration_task"+postfix).add(miniAODConfiguration_task)
+            task.add(getattr(process, "miniAODConfiguration_task"+postfix))
 
     def jetConfiguration(self):