diff --git a/homeassistant/components/emulated_hue/hue_api.py b/homeassistant/components/emulated_hue/hue_api.py
index 9a2d624a55f..06a57960898 100644
--- a/homeassistant/components/emulated_hue/hue_api.py
+++ b/homeassistant/components/emulated_hue/hue_api.py
@@ -677,7 +677,11 @@ def entity_to_json(config, entity):
         retval["type"] = "Color temperature light"
         retval["modelid"] = "HASS312"
         retval["state"].update(
-            {HUE_API_STATE_COLORMODE: "ct", HUE_API_STATE_CT: state[STATE_COLOR_TEMP]}
+            {
+                HUE_API_STATE_COLORMODE: "ct",
+                HUE_API_STATE_CT: state[STATE_COLOR_TEMP],
+                HUE_API_STATE_BRI: state[STATE_BRIGHTNESS],
+            }
         )
     elif entity_features & (
         SUPPORT_BRIGHTNESS