diff --git a/program/views.py b/program/views.py
index 41fc0f7e6bad6e1437fcddb53651d81e5e961618..b9796c7281ee27017794ffed7220222a4306cdf3 100644
--- a/program/views.py
+++ b/program/views.py
@@ -147,7 +147,7 @@ class APIDayScheduleViewSet(
     mixins.ListModelMixin,
     viewsets.GenericViewSet,
 ):
-    queryset = Schedule.objects.all()
+    queryset = TimeSlot.objects.all()
 
     def list(self, request, year=None, month=None, day=None):
         # datetime.combine returns a timezone naive datetime object