diff --git a/SAS/ResourceAssignment/RAtoOTDBTaskSpecificationPropagator/lib/propagator.py b/SAS/ResourceAssignment/RAtoOTDBTaskSpecificationPropagator/lib/propagator.py
index ab88ac88503521f9a97f9a8a99616c3ec36a30e3..7bf956232282075923fdb5e71a6739baa042f1ed 100755
--- a/SAS/ResourceAssignment/RAtoOTDBTaskSpecificationPropagator/lib/propagator.py
+++ b/SAS/ResourceAssignment/RAtoOTDBTaskSpecificationPropagator/lib/propagator.py
@@ -57,6 +57,7 @@ class RAtoOTDBPropagator():
                  mom_busname=DEFAULT_MOM_BUSNAME,
                  mom_servicename=DEFAULT_MOM_SERVICENAME,
                  otdb_broker=None,
+                 mom_broker=None,
                  broker=None):
         """
         RAtoOTDBPropagator updates tasks in the OTDB after the ResourceAssigner is done with them.