diff --git a/SAS/TMSS/src/tmss/tmssapp/subtasks.py b/SAS/TMSS/src/tmss/tmssapp/subtasks.py
index c7fc4dd8aa6b575a01f24108d481abf26cbc36e1..0084b8a5d057d2b4ead23e3bc58dcb6103dab7dc 100644
--- a/SAS/TMSS/src/tmss/tmssapp/subtasks.py
+++ b/SAS/TMSS/src/tmss/tmssapp/subtasks.py
@@ -539,7 +539,7 @@ def unschedule_subtask(subtask: Subtask) -> Subtask:
             output.dataproducts.all().delete()
         #TODO: delete dataproduct transforms
 
-        _assign_or_unassign_resources(subtask)
+        assign_or_unassign_resources(subtask)
 
         subtask.state = SubtaskState.objects.get(value=SubtaskState.Choices.DEFINED.value)
         subtask.save()