diff --git a/backend/app.py b/backend/app.py
index cbf148b..48ca71c 100644
--- a/backend/app.py
+++ b/backend/app.py
@@ -74,7 +74,7 @@ def get_journeys():
 @app.route('/api/journeys/<string:journey_id>', methods=['GET'])
 def get_journey(journey_id):
     """Get a specific journey by ID."""
-    journey = next((j for j in journeys if j['id'] == journey_id), None)
+    journey = next((j for j in journeys if str(j['id']) == journey_id), None)
     if journey:
         return jsonify(journey)
     return jsonify({'error': 'Journey not found'}), 404
@@ -105,7 +105,7 @@ def create_journey():
 @app.route('/api/journeys/<string:journey_id>', methods=['PUT'])
 def update_journey(journey_id):
     """Update an existing journey."""
-    journey = next((j for j in journeys if j['id'] == journey_id), None)
+    journey = next((j for j in journeys if str(j['id']) == journey_id), None)
     if not journey:
         return jsonify({'error': 'Journey not found'}), 404
     
@@ -126,7 +126,7 @@ def update_journey(journey_id):
 def delete_journey(journey_id):
     """Delete a journey."""
     global journeys
-    journey = next((j for j in journeys if j['id'] == journey_id), None)
+    journey = next((j for j in journeys if str(j['id']) == journey_id), None)
     if not journey:
         return jsonify({'error': 'Journey not found'}), 404