diff --git a/.env.example b/.env.example
index dfac94d..13e005a 100644
--- a/.env.example
+++ b/.env.example
@@ -11,6 +11,6 @@ MYSQL_USER=flashcards
 MYSQL_PASSWORD=flashcards
 MYSQL_DATABASE=flashcards
 
-# MongoDB (conteneur docker dédié flashcards-mongo, port local 127017)
+# MongoDB (conteneur docker dédié flashcards-mongo, port local 27018)
 MONGODB_DATABASE=flashcards
-MONGODB_URI=mongodb://flashcards:flashcards@localhost:127017/flashcards
\ No newline at end of file
+MONGODB_URI=mongodb://flashcards:flashcards@localhost:27018/flashcards
\ No newline at end of file
diff --git a/docker-compose.yml b/docker-compose.yml
index 6277ed7..7a1b374 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -28,7 +28,7 @@ services:
       MONGO_INITDB_ROOT_PASSWORD: flashcards
       MONGO_INITDB_DATABASE: flashcards
     ports:
-      - "127017:27017"
+      - "27018:27017"
     volumes:
       - flashcards-mongo-data:/data/db
       - ./docker/init/mongo:/docker-entrypoint-initdb.d:ro
diff --git a/src/repositories/mongo-card-repository.ts b/src/repositories/mongo-card-repository.ts
index 4f7f29c..143fb95 100644
--- a/src/repositories/mongo-card-repository.ts
+++ b/src/repositories/mongo-card-repository.ts
@@ -31,7 +31,7 @@ export class MongoCardRepository implements CardRepository {
       this.collection = collection
     } else {
       const client = new MongoClient(
-        process.env.MONGODB_URI ?? 'mongodb://flashcards:flashcards@localhost:127017/flashcards',
+        process.env.MONGODB_URI ?? 'mongodb://flashcards:flashcards@localhost:27018/flashcards',
       )
       this.collection = client
         .db(process.env.MONGODB_DATABASE ?? 'flashcards')