diff --git a/backend/events.py b/backend/events.py
index 4d1c653..fc92939 100644
--- a/backend/events.py
+++ b/backend/events.py
@@ -27,6 +27,7 @@ def get_base_dict(self):
 @dataclasses.dataclass
 class PlanDownload(Event):
     plan_type: str  # Ex: "PlanKl.xml" or "VPlanKl.xml"
+    date: datetime.date
     last_modified: datetime.datetime
     file_length: int
 
diff --git a/backend/load_plans.py b/backend/load_plans.py
index 6da3483..7c040a8 100644
--- a/backend/load_plans.py
+++ b/backend/load_plans.py
@@ -89,14 +89,14 @@ async def get_crawlers(session: aiohttp.ClientSession | None = None,
             )
             hosting = Hosting.deserialize(data["hosting"])
 
-            client = IndiwareStundenplanerClient(hosting, session)
-
             if hosting.creds is not None and hosting.creds.username == "schueler":
                 logger.warning("* Disabling room and teacher plans because only student creds are available.")
                 # avoid trying to fetch room and teacher plans if no creds are available
-                client.teacher_plan_client = None
-                client.room_plan_client = None
-                client.teachers_substitution_plan_client = None
+                hosting.indiware_mobil.rooms = None
+                hosting.indiware_mobil.teachers = None
+                hosting.substitution_plan.teachers = None
+
+            client = IndiwareStundenplanerClient(hosting, session)
 
             for plan_client in client.substitution_plan_clients:
                 plan_client.proxy_provider = proxy_provider
diff --git a/backend/plan_downloader.py b/backend/plan_downloader.py
index 06a3492..2464a64 100644
--- a/backend/plan_downloader.py
+++ b/backend/plan_downloader.py
@@ -148,7 +148,7 @@ async def download_indiware_mobil(
                 )
 
                 await timer.submit_async(plan_type=plan_filename, last_modified=plan_response.last_modified,
-                                         file_length=len(plan_response.content))
+                                         file_length=len(plan_response.content), date=date)
 
                 self.cache.store_plan_file(date, revision, plan_response.content, plan_filename)
                 self.cache.store_plan_file(date, revision, json.dumps(downloaded_file.serialize()),