diff --git a/apps/templates/blog-helm.yaml b/apps/templates/blog-helm.yaml
index 8b0c966..84aa835 100644
--- a/apps/templates/blog-helm.yaml
+++ b/apps/templates/blog-helm.yaml
@@ -71,9 +71,9 @@ spec:
             http: 80
             https: 443
           extraPorts:
-            smtp:
-              name: smtp
-              port: 587
+            - smtp:
+                name: smtp
+                port: 587
         ingress:
           enabled: true
           ingressClassName: nginx