diff --git a/lib/telegram.link.js b/lib/telegram.link.js
index fb71138..4fa4a35 100644
--- a/lib/telegram.link.js
+++ b/lib/telegram.link.js
@@ -316,13 +316,7 @@ Client.prototype.stopHttpPollLoop = function () {
 
 // The code:
 Client.prototype.registerOnUpdates = function (callback) {
-    var emitter = this._channel.getParser();
-    emitter.on('api.type.UpdatesTooLong', callback);
-    emitter.on('api.type.UpdateShortMessage', callback);
-    emitter.on('api.type.UpdateShortChatMessage', callback);
-    emitter.on('api.type.UpdateShort', callback);
-    emitter.on('api.type.UpdatesCombined', callback);
-    emitter.on('api.type.Updates', callback);
+    manageUpdatesListener.call(this, 'on', callback);
 };
 
 // ***
@@ -332,15 +326,19 @@ Client.prototype.registerOnUpdates = function (callback) {
 
 // The code:
 Client.prototype.unregisterOnUpdates = function (callback) {
-    var emitter = this._channel.getParser();
-    emitter.removeListener('api.type.UpdatesTooLong', callback);
-    emitter.removeListener('api.type.UpdateShortMessage', callback);
-    emitter.removeListener('api.type.UpdateShortChatMessage', callback);
-    emitter.removeListener('api.type.UpdateShort', callback);
-    emitter.removeListener('api.type.UpdatesCombined', callback);
-    emitter.removeListener('api.type.Updates', callback);
+    manageUpdatesListener.call(this, 'removeListener', callback);
 };
 
+function manageUpdatesListener  (func, callback) {
+    var emitter = this._channel.getParser();
+    emitter[func]('api.type.UpdatesTooLong', callback);
+    emitter[func]('api.type.UpdateShortMessage', callback);
+    emitter[func]('api.type.UpdateShortChatMessage', callback);
+    emitter[func]('api.type.UpdateShort', callback);
+    emitter[func]('api.type.UpdatesCombined', callback);
+    emitter[func]('api.type.Updates', callback);
+}
+
 
 // ***
 // client.**isReady()**