diff --git a/Simulation/G4Atlas/G4AtlasApps/share/Tile2000_2003.flat.configuration.py b/Simulation/G4Atlas/G4AtlasApps/share/Tile2000_2003.flat.configuration.py
index 628f2ad73c07c58acfbbf7bebeacf3146596fd57..192958ca8173a8b7fae16120910a57d458ebf5fd 100644
--- a/Simulation/G4Atlas/G4AtlasApps/share/Tile2000_2003.flat.configuration.py
+++ b/Simulation/G4Atlas/G4AtlasApps/share/Tile2000_2003.flat.configuration.py
@@ -30,6 +30,7 @@ DetFlags.FCal_setOff()
 DetFlags.HEC_setOff()
 DetFlags.em_setOff()
 #
+from AthenaCommon.GlobalFlags import globalflags
 globalflags.DataSource = "geant4"
 globalflags.DetGeo = "ctbh8"
 # mgallas this is a hack! needed for GeoModel and IOVDbSvc
diff --git a/TileCalorimeter/TileExample/TileSimEx/share/jobOptions_TileTB_Sim.py b/TileCalorimeter/TileExample/TileSimEx/share/jobOptions_TileTB_Sim.py
index 9e0ffb15a9caed325fc044273c63d561a76e557b..67f604c463a4b6561f1c0ebf4de2fd194f22e3b3 100755
--- a/TileCalorimeter/TileExample/TileSimEx/share/jobOptions_TileTB_Sim.py
+++ b/TileCalorimeter/TileExample/TileSimEx/share/jobOptions_TileTB_Sim.py
@@ -180,14 +180,14 @@ except:
         from EvgenProdTools.EvgenProdToolsConf import CopyEventWeight
         topSeq += CopyEventWeight()
 
-include("G4AtlasApps/G4Atlas.flat.configuration.py")
-
 try:
     from AthenaCommon.CfgGetter import getAlgorithm
     topSeq += getAlgorithm("BeamEffectsAlg")
 except:
     print "can not import BeamEffectsAlg algorithm"
 
+include('G4AtlasApps/Tile2000_2003.flat.configuration.py')#HACK - has to be here for TBDetDescrLoader
+
 #--- Geant4 flags ---------------------------------------------
 
 ## Select G4 physics list or use the default one