diff --git a/Simulation/G4Atlas/G4AtlasApps/share/jobOptions.G4Cosmic.py b/Simulation/G4Atlas/G4AtlasApps/share/jobOptions.G4Cosmic.py
index eff116033200d7b2d0d1ce93ac0a085f9d2e5217..6af030250bdbe2f8652e66b3ff8429ff76c10d55 100644
--- a/Simulation/G4Atlas/G4AtlasApps/share/jobOptions.G4Cosmic.py
+++ b/Simulation/G4Atlas/G4AtlasApps/share/jobOptions.G4Cosmic.py
@@ -20,7 +20,7 @@ globalflags.ConditionsTag = "OFLCOND-RUN12-SDR-21" # Probably want a different c
 ## AthenaCommon flags
 from AthenaCommon.AthenaCommonFlags import athenaCommonFlags
 athenaCommonFlags.PoolHitsOutput = 'test.HITS.pool.root'
-athenaCommonFlags.EvtMax = 3
+athenaCommonFlags.EvtMax = 1000
 
 ## Set beam type
 from AthenaCommon.BeamFlags import jobproperties