diff --git a/Simulation/Tests/SimCoreTests/test/test_athena_G4AtlasCosmic.sh b/Simulation/Tests/SimCoreTests/test/test_athena_G4AtlasCosmic.sh
index e64585ed2e95599889c98affe4b885c1ad7004d0..b4ce4d79dbb443e596032417d5f63cf34aeb35c5 100755
--- a/Simulation/Tests/SimCoreTests/test/test_athena_G4AtlasCosmic.sh
+++ b/Simulation/Tests/SimCoreTests/test/test_athena_G4AtlasCosmic.sh
@@ -15,6 +15,6 @@ echo  "art-result: $? simulation"
 # TODO This is a regression test I think. 
 ArtPackage=$1
 ArtJobName=$2
-art.py compare grid ${ArtPackage} ${ArtJobName}
+art.py compare grid --entries -1 ${ArtPackage} ${ArtJobName}
 
 echo  "art-result: $? regression"