diff --git a/clusters/cl01tl/helm/postiz/values.yaml b/clusters/cl01tl/helm/postiz/values.yaml
index 9e01ba094..32620d660 100644
--- a/clusters/cl01tl/helm/postiz/values.yaml
+++ b/clusters/cl01tl/helm/postiz/values.yaml
@@ -150,6 +150,7 @@ temporal:
               driverName: postgres12
               databaseName: app
               connectAddr: postiz-postgresql-18-cluster-rw.postiz:5432
+              connectProtocol: "tcp"
               user: app
               existingSecret: postiz-postgresql-18-cluster-app
               secretKey: password