diff --git a/source/_docs/mqtt/service.markdown b/source/_docs/mqtt/service.markdown
index f848093a169..c5b78436cfb 100644
--- a/source/_docs/mqtt/service.markdown
+++ b/source/_docs/mqtt/service.markdown
@@ -28,7 +28,7 @@ payload: on
 {% raw %}
 ```yaml
 topic: home-assistant/light/1/state
-payload_template: {{ states('device_tracker.paulus') }}
+payload_template: "{{ states('device_tracker.paulus') }}"
 ```
 {% endraw %}