diff --git a/DDG4/python/DDSim/Helper/Meta.py b/DDG4/python/DDSim/Helper/Meta.py
index 7b1e2f2e9..45b406da8 100644
--- a/DDG4/python/DDSim/Helper/Meta.py
+++ b/DDG4/python/DDSim/Helper/Meta.py
@@ -100,6 +100,9 @@ def addParametersToRunHeader(sim):
 
     # add User
     import getpass
-    runHeader["User"] = getpass.getuser()
+    try:
+        runHeader["User"] = getpass.getuser()
+    except KeyError:
+        runHeader["User"] = str(os.getuid())
 
     return runHeader