diff --git a/.github/workflows/backend.yml b/.github/workflows/backend.yml
index 5eaa2a3..9f9791f 100644
--- a/.github/workflows/backend.yml
+++ b/.github/workflows/backend.yml
@@ -22,7 +22,7 @@ jobs:
           MARIADB_PASSWORD: password1
           MARIADB_DATABASE: auto_entreprise_test
         ports:
-          - 3306/tcp
+          - 3306
         options: --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=5s --health-retries=3
 
     steps:
@@ -53,19 +53,20 @@ jobs:
         working-directory: ${{ env.DIRECTORY }}
         run: php bin/console doc:database:create --no-interaction -e test
         env:
-          DATABASE_URL: "mysql://user1:password1@127.0.0.1:{{ job.services.mariadb.ports['3306'] }}/auto_entreprise_test?serverVersion=10.9.6-MariaDB"
+#          DATABASE_URL: "mysql://user1:password1@127.0.0.1:{{ job.services.mariadb.ports[3306] }}/auto_entreprise_test?serverVersion=10.9.6-MariaDB"
+          DATABASE_URL: ${{ format('mysql://user1:password1@127.0.0.1:{0}/auto_entreprise_test?serverVersion=10.9.6-MariaDB', job.services.mariadb.ports[3306]) }}
 
       - name: Migrate database
         working-directory: ${{ env.DIRECTORY }}
         run: php bin/console doc:mig:mig --no-interaction -e test
         env:
-          DATABASE_URL: "mysql://user1:password1@127.0.0.1:{{ job.services.mariadb.ports['3306'] }}/auto_entreprise_test?serverVersion=10.9.6-MariaDB"
+          DATABASE_URL: ${{ format('mysql://user1:password1@127.0.0.1:{0}/auto_entreprise_test?serverVersion=10.9.6-MariaDB', job.services.mariadb.ports[3306]) }}
 
       - name: Exec tests
         working-directory: ${{ env.DIRECTORY }}
         run: composer tuci
         env:
-          DATABASE_URL: "mysql://user1:password1@127.0.0.1:{{ job.services.mariadb.ports['3306'] }}/auto_entreprise_test?serverVersion=10.9.6-MariaDB"
+          DATABASE_URL: ${{ format('mysql://user1:password1@127.0.0.1:{0}/auto_entreprise_test?serverVersion=10.9.6-MariaDB', job.services.mariadb.ports[3306]) }}
 
       - name: Upload coverage reports to Codecov
         uses: codecov/codecov-action@v4.0.1