diff --git a/backend/main.py b/backend/main.py
index 780fbfc..e811ad3 100644
--- a/backend/main.py
+++ b/backend/main.py
@@ -1,5 +1,6 @@
-# GEEN SQL IN MAIN.PY, DIT IS DE API WRAPPER, HOU HET OVERZICHTELIJK!!
+# GEEN SQL IN MAIN.PY, DIT IS DE API, HOU HET OVERZICHTELIJK!!
 
+from datetime import date
 from fastapi import FastAPI, Depends, HTTPException, Query
 from fastapi.middleware.cors import CORSMiddleware
 from fastapi.responses import PlainTextResponse
@@ -608,15 +609,14 @@ def delete_room(
     summary="Get room events",
     description="Returns events belonging to a room, optionally filtered by date.",
 )
-
 def api_room_events(
     room_id: int,
-    date_from: str | None = Query(
+    date_from: date | None = Query(
         None,
         alias="from",
         description="Only return events starting on or after this date.",
     ),
-    date_to: str | None = Query(
+    date_to: date | None = Query(
         None,
         alias="to",
         description="Only return events starting on or before this date.",
@@ -631,8 +631,8 @@ def api_room_events(
 
     events = get_room_events(
         room_id,
-        date_from,
-        date_to,
+        date_from.isoformat() if date_from else None,
+        date_to.isoformat() if date_to else None,
     )
 
     return {
@@ -678,12 +678,12 @@ def api_create_event(
     description="Returns events from rooms the authenticated user belongs to, optionally filtered by date.",
 )
 def get_events(
-    date_from: str | None = Query(
+    date_from: date | None = Query(
         None,
         alias="from",
         description="Only return events starting on or after this date.",
     ),
-    date_to: str | None = Query(
+    date_to: date | None = Query(
         None,
         alias="to",
         description="Only return events starting on or before this date.",
@@ -692,15 +692,14 @@ def get_events(
 ):
     events = get_user_events(
         user_id,
-        date_from,
-        date_to,
+        date_from.isoformat() if date_from else None,
+        date_to.isoformat() if date_to else None,
     )
 
     return {
         "events": [dict(event) for event in events],
     }
 
-
 @app.get(
     "/events/{event_id}",
     summary="Get an event",