diff --git a/helpdesk/management/commands/escalate_tickets.py b/helpdesk/management/commands/escalate_tickets.py
index 122333f0..edbf7307 100644
--- a/helpdesk/management/commands/escalate_tickets.py
+++ b/helpdesk/management/commands/escalate_tickets.py
@@ -105,7 +105,7 @@ def escalate_tickets(queues, verbose):
             t.send(
                 {'submitter': ('escalated_submitter', context),
                  'ticket_cc': ('escalated_cc', context),
-                 'assigned_to': ('escalated_owner', context)}
+                 'assigned_to': ('escalated_owner', context)},
                 fail_silently=True,
             )