diff --git a/Control/AthenaConfiguration/python/AllConfigFlags.py b/Control/AthenaConfiguration/python/AllConfigFlags.py
index 0e83b025952e6d221ba91ff19848305b525a3d90..5bf80a583f74bf153dfddf58ed5781b8f57b6772 100644
--- a/Control/AthenaConfiguration/python/AllConfigFlags.py
+++ b/Control/AthenaConfiguration/python/AllConfigFlags.py
@@ -44,6 +44,7 @@ def _createCfgFlags():
     acf.addFlag('Scheduler.ShowControlFlow', True)
 
     acf.addFlag('Common.isOnline', False ) #  Job runs in an online environment (access only to resources available at P1) # former global.isOnline
+    acf.addFlag('Common.doExpressProcessing', False)
 
     def _checkProject():
         import os