diff --git a/lib/extension/homeassistant.js b/lib/extension/homeassistant.js
index 94a7b0981..103ac4aea 100644
--- a/lib/extension/homeassistant.js
+++ b/lib/extension/homeassistant.js
@@ -335,6 +335,7 @@ const mapping = {
     'RB 165': [configurations.light_brightness],
     'RB 175 W': [configurations.light_brightness],
     'RS 125': [configurations.light_brightness],
+    'RS 225': [configurations.light_brightness],
     'RB 145': [configurations.light_brightness],
     'PL 110': [configurations.light_brightness],
     'ST 110': [configurations.light_brightness],