diff --git a/templates/prometheus.yml.erb b/templates/prometheus.yml.erb
index 3aed08d..af42aee 100644
--- a/templates/prometheus.yml.erb
+++ b/templates/prometheus.yml.erb
@@ -31,8 +31,8 @@ scrape_configs:
   basic_auth:
     username: <%= @ps_auth_user %>
     password: <%= @ps_auth_pass %>
-remote_write:
 <% if @ps_write_external == true -%>
+    remote_write:
   - url: "<%= @ps_external_url %>"
     basic_auth:
       username: <%= @ps_auth_ext_user %>