diff --git a/program/services.py b/program/services.py
index b522bdf9dba04a07256d833bcfd563611c85a3d8..4e793a3a9b4d7cfdab2b24207c306375e9f1d934 100644
--- a/program/services.py
+++ b/program/services.py
@@ -633,7 +633,7 @@ def generate_conflicts(timeslots: list[TimeSlot]) -> Conflicts:
         solution_choices = set()
 
         # Get collisions for each timeslot
-        collision_list = list(TimeSlot.objects.get_colliding_timeslots(ts).order_by("start"))
+        collision_list = list(get_colliding_timeslots(ts).order_by("start"))
 
         # Add the projected timeslot
         projected_entry = {