diff --git a/Trigger/TrigValidation/TrigAnalysisTest/share/ref_RDOtoRDOTrig_mt1_build.ref b/Trigger/TrigValidation/TrigAnalysisTest/share/ref_RDOtoRDOTrig_mt1_build.ref
index d2eddab6fd0da28c4a073890fd14a6e92fb24353..26771b164e7aec5ca975baaf58ee73403ad62d34 100644
--- a/Trigger/TrigValidation/TrigAnalysisTest/share/ref_RDOtoRDOTrig_mt1_build.ref
+++ b/Trigger/TrigValidation/TrigAnalysisTest/share/ref_RDOtoRDOTrig_mt1_build.ref
@@ -198,10 +198,10 @@ TrigSignatureMoniMT                                INFO -- #3341539267 Events
 TrigSignatureMoniMT                                INFO -- #3341539267 Features                             51         -          -          -          -
 TrigSignatureMoniMT                                INFO HLT_j45_ftf_subjesgscIS_bmv2c1070_split_L1J20 #991419339
 TrigSignatureMoniMT                                INFO -- #991419339 Events          19         19         19         19         19         -          -          19
-TrigSignatureMoniMT                                INFO -- #991419339 Features                              51         50         50         -          -
+TrigSignatureMoniMT                                INFO -- #991419339 Features                              50         50         50         -          -
 TrigSignatureMoniMT                                INFO HLT_j45_ftf_subjesgscIS_boffperf_split_L1J20 #1961149049
 TrigSignatureMoniMT                                INFO -- #1961149049 Events         19         19         19         19         19         -          -          19
-TrigSignatureMoniMT                                INFO -- #1961149049 Features                             51         50         50         -          -
+TrigSignatureMoniMT                                INFO -- #1961149049 Features                             50         50         50         -          -
 TrigSignatureMoniMT                                INFO HLT_j45_ftf_subjesgscIS_pf_L1J20 #761060030
 TrigSignatureMoniMT                                INFO -- #761060030 Events          19         19         16         -          -          -          -          16
 TrigSignatureMoniMT                                INFO -- #761060030 Features                              33         -          -          -          -
diff --git a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/DictFromChainName.py b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/DictFromChainName.py
index a672a800613abaae0f57696ef1a64f632da8c344..bd60349da4cda741d750c1d0ede885a6cffd4990 100755
--- a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/DictFromChainName.py
+++ b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/DictFromChainName.py
@@ -362,6 +362,23 @@ def analyseChainName(chainName, L1thresholds, L1item):
                         chainProperties[prop] = part
                     matchedparts.append(part)
 
+        # ----- at this point we can figure out if the chain is a bJet chain and update defaults accordingly
+        if chainProperties['signature']=='Jet' and chainProperties['bTag'] != '':
+            log.debug('Setting b-jet chain defaults')
+            # b-jet chain, so we now use the bJet defaults if they have not already been overriden
+            bJetDefaultValues, allowedbJetPropertiesAndValues = getSignatureInformation('Bjet')
+            for prop, value in bJetDefaultValues.items():
+                propSet=False
+                for value in allowedbJetPropertiesAndValues[prop]:
+                    if value in matchedparts:
+                        propSet=True
+                        break
+
+                # if the property was not set already, then set if according to the b-jet defaults
+                if propSet is False:
+                    log.debug('Changing %s from %s to %s', prop, str(chainProperties[prop]), str(bJetDefaultValues[prop]))
+                    chainProperties[prop] = bJetDefaultValues[prop]
+
         log.debug("matched parts %s", matchedparts)
         leftoverparts = set(parts)-set(matchedparts)
         log.debug('leftoverparts %s', leftoverparts)
diff --git a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/SignatureDicts.py b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/SignatureDicts.py
index 56056753392cfe34864492ca22cc3124cf39a943..76daed940085892de3e31d9add62c2c9ae6abd3b 100644
--- a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/SignatureDicts.py
+++ b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/SignatureDicts.py
@@ -92,7 +92,7 @@ JetChainParts = {
     'chainPartName': '',
     'threshold'    : '',
     'multiplicity' : '',
-    'etaRange'     : ['0eta320', '320eta490', '0eta240'],
+    'etaRange'     : ['0eta320', '320eta490', '0eta240', '0eta290'],
     'jvt'          : ['011jvt', '015jvt', '059jvt'],
     # May need to reinstate in the event that preselection is
     # needed before running tracking
@@ -155,6 +155,11 @@ JetChainParts_Default = {
     'smc'          : 'nosmc',
     }
 
+# ---- bJet Dictionary of default Values that are different to the ones for normal jet chains ----
+bJetChainParts_Default = {
+    'etaRange' : '0eta290',
+}
+
 #==========================================================
 # HT chains
 #==========================================================
@@ -759,8 +764,8 @@ def getSignatureNameFromToken(chainpart):
     theMatchingTokens = []
     reverseSliceIDDict = dict([(value, key) for key, value in six.iteritems (SliceIDDict)]) #reversed SliceIDDict
     for sig,token in SliceIDDict.items():
-            if (token in chainpart):
-                theMatchingTokens += [token]
+        if (token in chainpart):
+            theMatchingTokens += [token]
     theToken = max(theMatchingTokens, key=len) # gets the longest string in t
     if len(theMatchingTokens)>0:
         if len(theMatchingTokens)>1:
@@ -781,6 +786,8 @@ def getSignatureInformation(signature):
         return [PhotonChainParts_Default, PhotonChainParts]
     if signature == "Jet":
         return [JetChainParts_Default, JetChainParts]
+    if signature == "Bjet":
+        return [bJetChainParts_Default, JetChainParts]
     if signature == "HT":
         return [HTChainParts_Default, HTChainParts]
     if signature == "Tau":