diff --git a/installer/roles/kubernetes/tasks/main.yml b/installer/roles/kubernetes/tasks/main.yml
index 4dc78d4ac3..1893b8cb22 100644
--- a/installer/roles/kubernetes/tasks/main.yml
+++ b/installer/roles/kubernetes/tasks/main.yml
@@ -80,7 +80,8 @@
 
 - name: Deploy and Activate Postgres (Kubernetes)
   shell: |
-    helm upgrade --install --name {{ postgresql_service_name }} \
+    helm repo update --tiller-namespace={{ tiller_namespace | default('kube-system') }}
+    helm upgrade {{ postgresql_service_name }} --install \
       --namespace {{ kubernetes_namespace }} \
       --set postgresqlUsername={{ pg_username }} \
       --set postgresqlPassword={{ pg_password }} \