diff --git a/lib/SensorDevice.js b/lib/SensorDevice.js
index d36ca67..ba83f2a 100644
--- a/lib/SensorDevice.js
+++ b/lib/SensorDevice.js
@@ -105,7 +105,7 @@ module.exports = class SensorDevice extends GeneralDevice {
 	setValue(key, value) {
 		const [taskValue, taskSettings] = this.getValueInfo(this.task, key);
 
-		const capabilityName = null;
+		let capabilityName = null;
 		if (taskSettings.values) {
 			capabilityName = taskSettings.values[taskValue.ValueNumber - 1];
 		} else if (taskSettings.variants) {