diff --git a/AtlasTest/DatabaseTest/IOVDbTestAlg/share/IOVDbTestAlgReadCoolWriteMD.py b/AtlasTest/DatabaseTest/IOVDbTestAlg/share/IOVDbTestAlgReadCoolWriteMD.py
index bca2b395a71e9ff6b729f484b979080cb88093b6..4be42867412c9e45c8eed8b76924beb9a5e523d2 100644
--- a/AtlasTest/DatabaseTest/IOVDbTestAlg/share/IOVDbTestAlgReadCoolWriteMD.py
+++ b/AtlasTest/DatabaseTest/IOVDbTestAlg/share/IOVDbTestAlgReadCoolWriteMD.py
@@ -160,7 +160,7 @@ print fullItemList
 
 # Stream's output file
 from AthenaPoolCnvSvc.WriteAthenaPool import AthenaPoolOutputStream
-Stream1 = AthenaPoolOutputStream( "Stream1", "SimpleEventPoolFile.root" )
+Stream1 = AthenaPoolOutputStream( "Stream1", "SimpleEventPoolFile.root", noTag=True )
 # List of DO's to write out
 Stream1.ItemList   += fullItemList