diff --git a/source/_integrations/smlight.markdown b/source/_integrations/smlight.markdown
index 26071b29f8e..51a440365ea 100644
--- a/source/_integrations/smlight.markdown
+++ b/source/_integrations/smlight.markdown
@@ -15,6 +15,7 @@ ha_zeroconf: true
 ha_platforms:
   - binary_sensor
   - button
+  - diagnostics
   - sensor
   - switch
   - update