diff --git a/homeassistant/components/smartthings/sensor.py b/homeassistant/components/smartthings/sensor.py
index 40e236f9185..823ca793972 100644
--- a/homeassistant/components/smartthings/sensor.py
+++ b/homeassistant/components/smartthings/sensor.py
@@ -535,7 +535,11 @@ CAPABILITY_TO_SENSORS: dict[str, list[Map]] = {
     ],
 }
 
-UNITS = {"C": UnitOfTemperature.CELSIUS, "F": UnitOfTemperature.FAHRENHEIT}
+UNITS = {
+    "C": UnitOfTemperature.CELSIUS,
+    "F": UnitOfTemperature.FAHRENHEIT,
+    "lux": LIGHT_LUX,
+}
 
 THREE_AXIS_NAMES = ["X Coordinate", "Y Coordinate", "Z Coordinate"]
 POWER_CONSUMPTION_REPORT_NAMES = [