diff --git a/homeassistant/components/emulated_hue/hue_api.py b/homeassistant/components/emulated_hue/hue_api.py
index 9637b0fb371..7600a0c04bb 100644
--- a/homeassistant/components/emulated_hue/hue_api.py
+++ b/homeassistant/components/emulated_hue/hue_api.py
@@ -393,6 +393,11 @@ class HueOneLightChangeView(HomeAssistantView):
                         data[ATTR_BRIGHTNESS] = hue_brightness_to_hass(
                             parsed[STATE_BRIGHTNESS]
                         )
+                        _LOGGER.debug(
+                            "Set brightness incoming from hueapi: %s outgoing to hass: %s",
+                            parsed[STATE_BRIGHTNESS],
+                            data[ATTR_BRIGHTNESS],
+                        )
 
                 if entity_features & SUPPORT_COLOR:
                     if any((parsed[STATE_HUE], parsed[STATE_SATURATION])):