diff --git a/staffing/views.py b/staffing/views.py
index 7cab3d99..4eb2c4c5 100644
--- a/staffing/views.py
+++ b/staffing/views.py
@@ -1816,7 +1816,8 @@ def mission_update(request):
         mission = Mission.objects.get(id=mission_id)  # If no mission found, it fails, that's what we want
         if attribute == "billing_mode":
             values = dict(Mission.BILLING_MODES)
-            values = {mission.billing_mode: values.pop(mission.billing_mode), **values}
+            if mission.billing_mode:
+                values = {mission.billing_mode: values.pop(mission.billing_mode), **values}
             if mission.management_mode == "ELASTIC":
                 del values["FIXED_PRICE"]
         elif attribute == "management_mode":