diff --git a/run.py b/run.py
index 78c18d1b8e2f5657d939d0dd825bc46fdb84af38..bfe1c7ed62d9b2e8a707c117e252ff3f931f339a 100644
--- a/run.py
+++ b/run.py
@@ -29,12 +29,11 @@ def main(parser_args):
 
         PostProcessing()
 
-
 if __name__ == "__main__":
-
     parser = argparse.ArgumentParser()
-    parser.add_argument('--experiment_date', metavar='--exp_date', type=str, default=None,
+    parser.add_argument('--experiment_date', metavar='--exp_date', type=str, default="testrun",
                         help="set experiment date as string")
-    args = parser.parse_args(["--experiment_date", "testrun"])
+    args = parser.parse_args()
 
     main(args)
+