diff --git a/Trigger/TrigHypothesis/TrigMuonHypoMT/python/TrigMuonHypoMTConfig.py b/Trigger/TrigHypothesis/TrigMuonHypoMT/python/TrigMuonHypoMTConfig.py
index bf3e9996c5288daaaf7c6596003be1185cfbc98c..d755c2b656705943d529579f329973bb3cbdebad 100755
--- a/Trigger/TrigHypothesis/TrigMuonHypoMT/python/TrigMuonHypoMTConfig.py
+++ b/Trigger/TrigHypothesis/TrigMuonHypoMT/python/TrigMuonHypoMTConfig.py
@@ -382,10 +382,10 @@ class TrigMufastHypoConfig(object):
 
 def TrigmuCombHypoToolFromDict( chainDict ):
 
-    if 'idperf' in chainDict['chainParts'][0]['chainPartName']:
-       thresholds = ['passthrough']
+    if 'idperf' in chainDict['chainParts'][0]['addInfo']:
+        thresholds = ['passthrough']
     else:
-       thresholds = getThresholdsFromDict( chainDict )
+        thresholds = getThresholdsFromDict( chainDict )
 
     config = TrigmuCombHypoConfig()
 
@@ -403,7 +403,7 @@ def TrigmuCombHypoToolFromDict( chainDict ):
 
 def TrigmuCombLrtHypoToolFromDict( chainDict ):
 
-    if 'idperf' in chainDict['chainParts'][0]['chainPartName']:
+    if 'idperf' in chainDict['chainParts'][0]['addInfo']:
        thresholds = ['passthrough']
     else:
        thresholds = getThresholdsFromDict( chainDict )
@@ -434,7 +434,7 @@ def TrigmuCombLrtHypoToolFromDict( chainDict ):
 
 def TrigmuCombHypoToolwORFromDict( chainDict ):
 
-    if 'idperf' in chainDict['chainParts'][0]['chainPartName']:
+    if 'idperf' in chainDict['chainParts'][0]['addInfo']:
        thresholds = ['passthrough']
     else:
        thresholds = getThresholdsFromDict( chainDict )
@@ -495,7 +495,7 @@ def Trigl2IOHypoToolwORFromDict( chainDict ):
 # muComb Hypo for L2 multi-track SA mode
 def Trigl2mtCBHypoToolwORFromDict( chainDict ):
 
-    if 'idperf' in chainDict['chainParts'][0]['chainPartName']:
+    if 'idperf' in chainDict['chainParts'][0]['addInfo']:
        thresholds = ['passthrough']
     else:
        thresholds = getThresholdsFromDict( chainDict )
@@ -633,12 +633,12 @@ class TrigMuonEFMSonlyHypoConfig(object):
 
 
 def TrigMuonEFCombinerHypoToolFromDict( chainDict ) :
-    if 'idperf' in chainDict['chainParts'][0]['chainPartName']:
+    if 'idperf' in chainDict['chainParts'][0]['addInfo']:
        thresholds = ['passthrough']
     else:
        thresholds = getThresholdsFromDict( chainDict )
 
-    if 'muonqual' in chainDict['chainParts'][0]['chainPartName']:
+    if 'muonqual' in chainDict['chainParts'][0]['addInfo']:
        muonquality = True
     else:
        muonquality = False
@@ -665,7 +665,7 @@ def TrigMuonEFCombinerHypoToolFromName(chainDict):
             if 'noL1' in part:
                 thr =thr.replace('noL1','')
             thresholds.append(thr)
-    if 'muonqual' in chainName:
+    if 'muonqual' in chainDict['chainParts'][0]['addInfo']:
        muonquality = True
     else:
        muonquality = False
@@ -714,7 +714,7 @@ class TrigMuonEFCombinerHypoConfig(object):
 
 def TrigMuonEFTrackIsolationHypoToolFromDict( chainDict ) :
     cparts = [i for i in chainDict['chainParts'] if i['signature']=='Muon']
-    if 'ivarperf' in chainDict['chainParts'][0]['chainPartName']:
+    if 'ivarperf' in chainDict['chainParts'][0]['isoInfo']:
         thresholds = 'passthrough'
     else:
         thresholds = cparts[0]['isoInfo']
diff --git a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Muon/MuonDef.py b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Muon/MuonDef.py
index 113455f09723f1a2f5f016658cd001fe3368d5bc..1c5fb922cda9b499a67a9717f75ac701379f918d 100755
--- a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Muon/MuonDef.py
+++ b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Muon/MuonDef.py
@@ -171,7 +171,7 @@ class MuonChainConfiguration(ChainConfigurationBase):
 
         if doOvlpRm:
            return self.getStep(2, 'muComb', [muCombOvlpRmSequenceCfg] )
-        elif "LRT" in self.chainName:
+        elif "LRT" in self.chainPart['addInfo']:
            return self.getStep(2, 'muCombLRT', [muCombLRTSequenceCfg] )
         else:
            return self.getStep(2, 'muComb', [muCombSequenceCfg] )