diff --git a/pinaxcon/registrasion/management/commands/update_schedule.py b/pinaxcon/registrasion/management/commands/update_schedule.py
index 50ef165e..20e23210 100644
--- a/pinaxcon/registrasion/management/commands/update_schedule.py
+++ b/pinaxcon/registrasion/management/commands/update_schedule.py
@@ -2,7 +2,7 @@ from django.core.management.base import BaseCommand
 
 from symposion.conference.models import Section, current_conference
 
-from symposion.schedule.models import (Day, Presentation, Room, SlotKind, Schedule, Slot)
+from symposion.schedule.models import (Day, Presentation, Room, SlotKind, Schedule, Slot, SlotRoom)
 
 from symposion.proposals.models import ProposalBase
 
@@ -109,6 +109,7 @@ class Command(BaseCommand):
         for room_name in room_names:
             room, _created = Room.objects.get_or_create(
                 schedule=schedule, name=room_name, order=used_rooms.index(room_name))
+            rooms[room_name] = room
 
         slotkinds = {}
         for slotkind_name in slotkind_names:
@@ -141,6 +142,8 @@ class Command(BaseCommand):
 
             slot = slots[(date, kind_name, start_time, end_time)]
 
+            slotroom = SlotRoom.objects.get_or_create(slot=slot, room=rooms[room])
+
             proposal = ProposalBase.objects.filter(pk=talk_id).first()
 
             assert proposal, f"Could not find proposal {talk_id}"