diff --git a/Configuration/Applications/python/ConfigBuilder.py b/Configuration/Applications/python/ConfigBuilder.py
index 334a5ced55fdb..3fa082f34d77d 100644
--- a/Configuration/Applications/python/ConfigBuilder.py
+++ b/Configuration/Applications/python/ConfigBuilder.py
@@ -1460,7 +1460,7 @@ def prepare_GEN(self, stepSpec = None):
                     elif isinstance(theObject, cms.Sequence) or isinstance(theObject, cmstypes.ESProducer):
                         self._options.inlineObjets+=','+name
 
-            if stepSpec == self.GENDefaultSeq or stepSpec == 'pgen_genonly' or stepSpec == 'pgen_smear':
+            if stepSpec == self.GENDefaultSeq or stepSpec == 'pgen_genonly':
                 if 'ProductionFilterSequence' in genModules and ('generator' in genModules):
                     self.productionFilterSequence = 'ProductionFilterSequence'
                 elif 'generator' in genModules:
@@ -1491,7 +1491,7 @@ def prepare_GEN(self, stepSpec = None):
         #register to the genstepfilter the name of the path (static right now, but might evolve)
         self.executeAndRemember('process.genstepfilter.triggerConditions=cms.vstring("generation_step")')
 
-        if 'reGEN' in self.stepMap:
+        if 'reGEN' in self.stepMap or stepSpec == 'pgen_smear':
             #stop here
             return