diff --git a/PhysicsTools/PatAlgos/python/tools/trigTools.py b/PhysicsTools/PatAlgos/python/tools/trigTools.py
index 4126d1c487cc8..0cbaad9ac6f91 100644
--- a/PhysicsTools/PatAlgos/python/tools/trigTools.py
+++ b/PhysicsTools/PatAlgos/python/tools/trigTools.py
@@ -152,7 +152,7 @@ def toolCode( self, process ):
         trigEvtProdMod                    = getattr( process, triggerEventProducer )
         trigEvtProdMod.processName        = hltProcess
         trigEvtProdMod.patTriggerProducer = cms.InputTag( triggerProducer )
-        if not path is '':
+        if path != '':
             if not hasattr( process, path ):
                 prodPath = cms.Path( trigProdMod + trigEvtProdMod )
                 setattr( process, path, prodPath )