diff --git a/PhysicsAnalysis/JetTagging/JetTagAlgs/BTagging/share/RecExRecoTest_ART_btagging_fromESD.py b/PhysicsAnalysis/JetTagging/JetTagAlgs/BTagging/share/RecExRecoTest_ART_btagging_fromESD.py
index 65d0661d10758a50c658a66727099680366dfa64..2a9553232dc5dda14c75d91b3bf1fc2921baab50 100644
--- a/PhysicsAnalysis/JetTagging/JetTagAlgs/BTagging/share/RecExRecoTest_ART_btagging_fromESD.py
+++ b/PhysicsAnalysis/JetTagging/JetTagAlgs/BTagging/share/RecExRecoTest_ART_btagging_fromESD.py
@@ -13,6 +13,10 @@ doDumpProperties=True
 #Turn of TAG
 rec.doWriteTAG.set_Value_and_Lock(False)
 
+#Disables PFO Thnning - these cotnainers do not exist, unless you run jet finding
+from ParticleBuilderOptions.AODFlags import AODFlags
+AODFlags.ThinNegativeEnergyNeutralPFOs.set_Value_and_Lock(False)
+
 athenaCommonFlags.EvtMax=-1
 
 #Run btagging 
diff --git a/Reconstruction/RecExample/RecExRecoTest/share/RecExRecoTest_ART_noAlgs_fromESD.py b/Reconstruction/RecExample/RecExRecoTest/share/RecExRecoTest_ART_noAlgs_fromESD.py
index e8f01299e4e26a2cffda8c496c225ff08903129d..3cf91db127898659e21a680f54740ba2a55205c9 100644
--- a/Reconstruction/RecExample/RecExRecoTest/share/RecExRecoTest_ART_noAlgs_fromESD.py
+++ b/Reconstruction/RecExample/RecExRecoTest/share/RecExRecoTest_ART_noAlgs_fromESD.py
@@ -26,5 +26,9 @@ jobproperties.InDetJobProperties.doxAOD.set_Value_and_Lock(False)
 #Disables AllExecutedEvents
 rec.doFileMetaData.set_Value_and_Lock(False)
 
+#Disables PFO Thnning - these cotnainers do not exist, unless you run jet finding
+from ParticleBuilderOptions.AODFlags import AODFlags
+AODFlags.ThinNegativeEnergyNeutralPFOs.set_Value_and_Lock(False)
+
 athenaCommonFlags.EvtMax=10
 include ("RecExCommon/RecExCommon_topOptions.py")