diff --git a/source/_components/sensor.rest.markdown b/source/_components/sensor.rest.markdown
index 0c0cc9a7ab4..d9594344e8b 100644
--- a/source/_components/sensor.rest.markdown
+++ b/source/_components/sensor.rest.markdown
@@ -237,7 +237,7 @@ sensor:
     sensors:
       owm_weather:
         value_template: '{{ states.sensor.owm_report.attributes.weather[0]["description"].title() }}'
-        icon_template: '{{ "http://openweathermap.org/img/w/"+states.sensor.owm_report.attributes.weather[0]["icon"]+".png" }}'
+        entity_picture_template: '{{ "http://openweathermap.org/img/w/"+states.sensor.owm_report.attributes.weather[0]["icon"].lower()+".png" }}'
         entity_id: sensor.owm_report
       owm_temp:
         friendly_name: 'Outside temp'