diff --git a/MC/bin/o2dpg_sim_workflow.py b/MC/bin/o2dpg_sim_workflow.py
index 1dab62e9d..b84bcb012 100755
--- a/MC/bin/o2dpg_sim_workflow.py
+++ b/MC/bin/o2dpg_sim_workflow.py
@@ -308,9 +308,9 @@ def getDPL_global_options(bigshm=False,nosmallrate=False):
        # NOTE: Generator setup might be handled in a different file or different files (one per
        # possible generator)
 
-   if CONFKEY=='':
-      print('o2dpg_sim_workflow: Error! configuration file not provided')
-      exit(1)
+   #if CONFKEY=='':
+   #   print('o2dpg_sim_workflow: Error! configuration file not provided')
+   #   exit(1)
 
    workflow['stages'].append(SGN_CONFIG_task)