diff --git a/Simulation/ISF/ISF_Validation/test/test_MC16_G4FastCalo_ttbar.sh b/Simulation/ISF/ISF_Validation/test/test_MC16_G4FastCalo_ttbar.sh
index 7a1d99faab235dd09e3dbde0bc2c7a7fd05b0f7a..b4787ba82e94c9a81abf2b9f3c2c4f1bc8934d0a 100755
--- a/Simulation/ISF/ISF_Validation/test/test_MC16_G4FastCalo_ttbar.sh
+++ b/Simulation/ISF/ISF_Validation/test/test_MC16_G4FastCalo_ttbar.sh
@@ -18,7 +18,7 @@ Sim_tf.py \
 --simulator 'G4FastCalo' \
 --postInclude 'default:PyJobTransforms/UseFrontier.py' \
 --preInclude 'EVNTtoHITS:SimulationJobOptions/preInclude.BeamPipeKill.py,SimulationJobOptions/preInclude.FrozenShowersFCalOnly.py' \
---preExec 'EVNTtoHITS:simFlags.TightMuonStepping=True' 'from ISF_FastCaloSimServices.ISF_FastCaloSimJobProperties import ISF_FastCaloSimFlags;ISF_FastCaloSimFlags.ParamsInputFilename="/cvmfs/atlas.cern.ch/repo/sw/database/GroupData/FastCaloSim/MC16/TFCSparam_v012.root"'\
+--preExec 'EVNTtoHITS:simFlags.TightMuonStepping=True' 'from ISF_FastCaloSimServices.ISF_FastCaloSimJobProperties import ISF_FastCaloSimFlags;ISF_FastCaloSimFlags.ParamsInputFilename="/cvmfs/atlas.cern.ch/repo/sw/database/GroupData/FastCaloSim/MC16/TFCSparam_v012.root"' \
 --DataRunNumber '284500' \
 --geometryVersion 'default:ATLAS-R2-2016-01-00-01' \
 --inputEVNTFile "/cvmfs/atlas-nightlies.cern.ch/repo/data/data-art/SimCoreTests/valid1.410000.PowhegPythiaEvtGen_P2012_ttbar_hdamp172p5_nonallhad.evgen.EVNT.e4993.EVNT.08166201._000012.pool.root.1" \