diff --git a/Simulation/G4Atlas/G4AtlasApps/python/PyG4Atlas.py b/Simulation/G4Atlas/G4AtlasApps/python/PyG4Atlas.py
index 5e03a1a93a04e87964fc68661c07a9a7031c8c9a..ad85057880205e88b00cbfc07abc4eea490ab301 100644
--- a/Simulation/G4Atlas/G4AtlasApps/python/PyG4Atlas.py
+++ b/Simulation/G4Atlas/G4AtlasApps/python/PyG4Atlas.py
@@ -589,7 +589,7 @@ class SimSkeleton(object):
         ## only changing it in Hive.
         as_alg = is_hive
         ## NB. Two-arg constructor is needed, since otherwise metadata writing fails!
-        stream1 = AthenaPoolOutputStream("StreamHITS", athenaCommonFlags.PoolHitsOutput(), asAlg=as_alg)
+        stream1 = AthenaPoolOutputStream("StreamHITS", athenaCommonFlags.PoolHitsOutput(), asAlg=as_alg, noTag=True)
 
         ## Write geometry tag info - move to main method
         #import EventInfoMgt.EventInfoMgtInit