diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index c5d0b6b8fe257243f25179b2e429be2d0b4333ee..1da1ed88672b856b64a62032de1db9b58b5d6528 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -26,7 +26,7 @@ test_server:
     - cd app/server
     - npm install
     - PORT=3002 \
-      MONGODB_URL=mongodb://mongodb:27017/test \
+      MONGODB_URL='mongodb://mongodb:27017/test' \
       JWT_SECRET=$JWT_SECRET \
       npm run test