diff --git a/app/routes/pins.py b/app/routes/pins.py
index 6570cd4..e4c58ff 100644
--- a/app/routes/pins.py
+++ b/app/routes/pins.py
@@ -20,6 +20,7 @@ db = client[config.MONGODB_DATABASE]
 pins_collection = db["pins"]
 friends_collection = db["friends"]
 pin_permissions_collection = db["pin_permissions"]
+images_collection = db["images"]
 
 pins_router = APIRouter(
     prefix="/pin",
@@ -85,6 +86,14 @@ async def update_pin(id: str, pin: PinDTO, current_user: User = Depends(get_curr
 async def add_pin(pin: PinDTO, current_user: User = Depends(get_current_user)):
     pin.user_id = current_user.uid
     pin_id = pins_collection.insert_one(pin.model_dump()).inserted_id
+    
+    # Mettre à jour les images avec le pin_id
+    if pin.files:
+        images_collection.update_many(
+            {"_id": {"$in": [ObjectId(img_id) for img_id in pin.files]}},
+            {"$set": {"pin_id": pin_id}}
+        )
+    
     return {"id": str(pin_id)}
 
 @pins_router.get(