diff --git a/core/modules/commands/listen.js b/core/modules/commands/listen.js
index 3c5f6a63a..ca6e6e076 100644
--- a/core/modules/commands/listen.js
+++ b/core/modules/commands/listen.js
@@ -18,7 +18,7 @@ exports.info = {
 	name: "listen",
 	synchronous: true,
 	namedParameterMode: true,
-	mandatoryParameters: [],
+	mandatoryParameters: []
 };
 
 var Command = function(params,commander,callback) {