diff --git a/Reconstruction/RecExample/RecExRecoTest/share/RecExRecoTest_ART_muons_fromESD.py b/Reconstruction/RecExample/RecExRecoTest/share/RecExRecoTest_ART_muons_fromESD.py
index ea23720d40792ec07851743b3707684476c8b7fd..378f95621cb4ef9476d6ddefb96d4d4577f55f0f 100644
--- a/Reconstruction/RecExample/RecExRecoTest/share/RecExRecoTest_ART_muons_fromESD.py
+++ b/Reconstruction/RecExample/RecExRecoTest/share/RecExRecoTest_ART_muons_fromESD.py
@@ -51,6 +51,10 @@ rec.doTruth.set_Value_and_Lock(False)
 rec.doTrigger = False
 rec.doWriteAOD=True
 
+#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)
+
 muonRecFlags.doStandalone.set_Value_and_Lock(True)
 muonRecFlags.doTrackPerformance    = True
 muonRecFlags.TrackPerfSummaryLevel = 2