diff --git a/Simulation/G4Atlas/G4AtlasAlg/src/G4AtlasAlg.cxx b/Simulation/G4Atlas/G4AtlasAlg/src/G4AtlasAlg.cxx
index 6fc596429b007d0f643ea2b1c721181a4eb13ea5..a67569805dabd67ccaf346cb9fb8204be3371c74 100644
--- a/Simulation/G4Atlas/G4AtlasAlg/src/G4AtlasAlg.cxx
+++ b/Simulation/G4Atlas/G4AtlasAlg/src/G4AtlasAlg.cxx
@@ -311,8 +311,8 @@ StatusCode G4AtlasAlg::execute()
 
   // Set the RNG to use for this event. We need to reset it for MT jobs
   // because of the mismatch between Gaudi slot-local and G4 thread-local RNG.
-  ATHRNG::RNGWrapper* rngWrapper = m_rndmGenSvc->getEngine(this);
-  rngWrapper->setSeed( name(), Gaudi::Hive::currentContext() );
+  ATHRNG::RNGWrapper* rngWrapper = m_rndmGenSvc->getEngine(this, m_randomStreamName);
+  rngWrapper->setSeed( m_randomStreamName, Gaudi::Hive::currentContext() );
   G4Random::setTheEngine(*rngWrapper);
 
   ATH_MSG_DEBUG("Calling SimulateG4Event");
diff --git a/Simulation/G4Atlas/G4AtlasAlg/src/G4AtlasAlg.h b/Simulation/G4Atlas/G4AtlasAlg/src/G4AtlasAlg.h
index d69a20e2b39db99b96bbc4ec1487d78d9628758f..d457b07c8b95614bcd35108c16025f0b04f3faaa 100644
--- a/Simulation/G4Atlas/G4AtlasAlg/src/G4AtlasAlg.h
+++ b/Simulation/G4Atlas/G4AtlasAlg/src/G4AtlasAlg.h
@@ -122,6 +122,8 @@ private:
   Gaudi::Property<bool> m_activateParallelGeometries{this, "ActivateParallelWorlds", false, "Toggle on/off the G4 parallel geometry system"};
   /// Random number service
   ServiceHandle<IAthRNGSvc> m_rndmGenSvc{this, "AtRndmGenSvc", "AthRNGSvc", ""}; // TODO rename property
+  /// Random Stream Name
+  Gaudi::Property<std::string> m_randomStreamName{this, "RandomStreamName", "Geant4", ""};
   ///
   ServiceHandle<IUserLimitsSvc> m_userLimitsSvc{this, "UserLimitsSvc", "UserLimitsSvc", ""};
   /// User Action Service