diff --git a/Simulation/Tests/OverlayTestsMT/test/test_MCOverlay_MT_ttbar_8threads_NewConfig.sh b/Simulation/Tests/OverlayTestsMT/test/test_MCOverlay_MT_ttbar_8threads_NewConfig.sh
index 4f690fbb616d971e5896bdb42ad7892ee7169b9c..c86cdb9feeb4acc435d1759938884df5b656cdfb 100755
--- a/Simulation/Tests/OverlayTestsMT/test/test_MCOverlay_MT_ttbar_8threads_NewConfig.sh
+++ b/Simulation/Tests/OverlayTestsMT/test/test_MCOverlay_MT_ttbar_8threads_NewConfig.sh
@@ -20,7 +20,7 @@ Overlay_tf.py \
 --multithreaded \
 --inputHITSFile /cvmfs/atlas-nightlies.cern.ch/repo/data/data-art/OverlayMonitoringRTT/valid1.410000.PowhegPythiaEvtGen_P2012_ttbar_hdamp172p5_nonallhad.simul.HITS.e4993_s3091/HITS.10504490._000425.pool.root.1 \
 --inputRDO_BKGFile /cvmfs/atlas-nightlies.cern.ch/repo/data/data-art/OverlayMonitoringRTT/PileupPremixing/22.0/v4/RDO.merged-pileup-MT.100events.pool.root \
---outputRDOFile MC_plus_MC.RDO.pool.root \
+--outputRDOFile mcOverlayRDO.pool.root \
 --maxEvents 50 --skipEvents 10 --digiSeedOffset1 511 --digiSeedOffset2 727 \
 --conditionsTag OFLCOND-MC16-SDR-20 \
 --geometryVersion ATLAS-R2-2016-01-00-01 \