diff --git a/index.js b/index.js
index 0fecca7..0a94c05 100755
--- a/index.js
+++ b/index.js
@@ -3186,7 +3186,7 @@ JeedomPlatform.prototype.setAccessoryValue = function(value, characteristic, ser
 						}
 					} else {
 						// if we want to turn the switch on
-						let _doNothing=null;
+						const _doNothing=null;
 						if(service.actions.on) {
 							this.command('turnOn', null, service);
 						} else if(service.actions.slider && service.LightType) {