diff --git a/lib/Client.js b/lib/Client.js
index 88c9502cf..feb3bcb0c 100644
--- a/lib/Client.js
+++ b/lib/Client.js
@@ -169,7 +169,8 @@ var Client = (function () {
 		});
 	};
 
-	Client.prototype.banMember = function banMember(user, server, daysToDeleteMessage) {
+	Client.prototype.banMember = function banMember(user, server) {
+		var daysToDeleteMessage = arguments.length <= 2 || arguments[2] === undefined ? 1 : arguments[2];
 		var cb = arguments.length <= 3 || arguments[3] === undefined ? function (err) {} : arguments[3];
 
 		var self = this;
@@ -184,7 +185,7 @@ var Client = (function () {
 				if (err) {
 					reject(err);
 				} else {
-					resolve(err);
+					resolve();
 				}
 			});
 		});
diff --git a/src/Client.js b/src/Client.js
index 7e6df5b62..8a7de1648 100644
--- a/src/Client.js
+++ b/src/Client.js
@@ -195,7 +195,7 @@ class Client {
 
 	}
 	
-	banMember(user, server, daysToDeleteMessage, cb=function(err){}){
+	banMember(user, server, daysToDeleteMessage=1, cb=function(err){}){
 		
 		var self = this;
 		
@@ -212,7 +212,7 @@ class Client {
 					if(err){
 						reject(err);
 					}else{
-						resolve(err);
+						resolve();
 					}
 				});