diff --git a/DDG4/python/DDSim/DD4hepSimulation.py b/DDG4/python/DDSim/DD4hepSimulation.py
index 9b6f78c05de735b341124ccb6212b91be44fbcaa..545fb8ebdf68d65f929a8dadcd5692046be28f13 100644
--- a/DDG4/python/DDSim/DD4hepSimulation.py
+++ b/DDG4/python/DDSim/DD4hepSimulation.py
@@ -314,7 +314,7 @@ class DD4hepSimulation(object):
     elif self.runType == "batch":
       simple.setupUI(typ="csh", vis=False, macro=None, ui=False)
     else:
-      logger.errro("unknown runType")
+      logger.error("unknown runType")
       exit(1)
 
     # kernel.UI="csh"