diff --git a/deployments/mariadb/all-resources.yml b/deployments/mariadb/all-resources.yml
index aeb96d5..6b7d5a3 100644
--- a/deployments/mariadb/all-resources.yml
+++ b/deployments/mariadb/all-resources.yml
@@ -14,6 +14,7 @@ spec:
 apiVersion: apps/v1
 kind: Deployment
 metadata:
+  namespace: mariadb
   labels:
     app: mariadb
   name: mariadb