diff --git a/overrides/compose.mariadb-secrets.yaml b/overrides/compose.mariadb-secrets.yaml
index dc24ce6f..00ffe2dc 100644
--- a/overrides/compose.mariadb-secrets.yaml
+++ b/overrides/compose.mariadb-secrets.yaml
@@ -1,7 +1,7 @@
 services:
   db:
     environment:
-      - MYSQL_ROOT_PASSWORD:/run/secrets/db_password
+      - MYSQL_ROOT_PASSWORD: /run/secrets/db_password
     healthcheck:
       test: mysqladmin ping -h localhost --password="$(cat /run/secrets/db_password)"
     secrets: