diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index c7005c9..75c7598 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
       APT_CACHER_NG: http://192.168.88.14:3142
       DB_DRIVER: postgresql
       DB_HOST: postgres
-      DB_PORT: 5432
+      DB_PORT: '5432'
       DB_NAME: calminer_test
       DB_USER: calminer
       DB_PASSWORD: calminer_password