diff --git a/app/helpers/StringHelper.php b/app/helpers/StringHelper.php
index df594682f..3c75cc028 100644
--- a/app/helpers/StringHelper.php
+++ b/app/helpers/StringHelper.php
@@ -187,21 +187,6 @@ function explodeJid($jid)
         );
 }
 
-/**
- * Return a URIfied string
- * @param string
- * @return string
- */
-function stringToUri($url) {
-    $url = utf8_decode($url);
-    $url = strtolower(strtr($url, utf8_decode('ÀÁÂÃÄÅàáâãäåÒÓÔÕÖØòóôõöøÈÉÊËèéêëÇçÌÍÎÏìíîïÙÚÛÜùúûüÿÑñ()[]\'"~$&%*@ç!?;,:/\^¨€{}<>|+- .'),  'aaaaaaaaaaaaooooooooooooeeeeeeeecciiiiiiiiuuuuuuuuynn    --      c  ---    e      --_'));
-    $url = str_replace(' ', '', $url);
-    $url = str_replace('---', '-', $url);
-    $url = str_replace('--', '-', $url);
-    $url = trim($url,'-');
-    return $url;
-}
-
 /**
  * Return a human readable filesize
  * @param string size in bytes
diff --git a/app/widgets/Group/Group.php b/app/widgets/Group/Group.php
index bc91dda30..af30970dd 100644
--- a/app/widgets/Group/Group.php
+++ b/app/widgets/Group/Group.php
@@ -13,6 +13,7 @@ use Moxl\Xec\Action\Pubsub\SetConfig;
 use Moxl\Xec\Action\Pubsub\Delete;
 
 use Respect\Validation\Validator;
+use Cocur\Slugify\Slugify;
 
 class Group extends \Movim\Widget\Base
 {
@@ -70,7 +71,9 @@ class Group extends \Movim\Widget\Base
 
         $html = $view->draw('_group_ticker', true);
 
-        RPC::call('MovimTpl.fill', '#group_widget.'.stringToUri($server.'_'.$node), $html);
+        $slugify = new Slugify();
+
+        RPC::call('MovimTpl.fill', '#group_widget.'.$slugify->slugify($server.'_'.$node), $html);
         RPC::call('Group.clearLoad');
         RPC::call('MovimTpl.showPanel');
     }
@@ -206,7 +209,9 @@ class Group extends \Movim\Widget\Base
         $view->assign('node', $node);
         $html .= $view->draw('_group_publish', true);
 
-        RPC::call('MovimTpl.fill', '#group_widget.'.stringToUri($server.'_'.$node), $html);
+        $slugify = new Slugify();
+
+        RPC::call('MovimTpl.fill', '#group_widget.'.$slugify->slugify($server.'_'.$node), $html);
         RPC::call('Group.enableVideos');
         unset($html);
     }
@@ -265,7 +270,9 @@ class Group extends \Movim\Widget\Base
     {
         if(!$this->validateServerNode($server, $node)) return;
 
-        RPC::call('Group.addLoad', stringToUri($server.'_'.$node));
+        $slugify = new Slugify();
+
+        RPC::call('Group.addLoad', $slugify->slugify($server.'_'.$node));
 
         $r = new GetItemsId;
         $r->setTo($server)
diff --git a/app/widgets/Groups/Groups.php b/app/widgets/Groups/Groups.php
index 29b86b8b5..218e2fc2a 100644
--- a/app/widgets/Groups/Groups.php
+++ b/app/widgets/Groups/Groups.php
@@ -6,6 +6,8 @@ use Respect\Validation\Validator;
 use Moxl\Xec\Action\Pubsub\Create;
 use Moxl\Xec\Action\Pubsub\TestCreate;
 
+use Cocur\Slugify\Slugify;
+
 class Groups extends \Movim\Widget\Base
 {
     private $_list_server;
@@ -127,7 +129,14 @@ class Groups extends \Movim\Widget\Base
             return;
         }
 
-        $uri = stringToUri($form->name->value);
+
+        $slugify = new Slugify();
+        $uri = $slugify->slugify($form->name->value);
+
+        if($uri == '') {
+            Notification::append(null, $this->__('groups.name_error'));
+            return;
+        }
 
         $c = new Create;
         $c->setTo($server)->setNode($uri)->setData($form->name->value)
diff --git a/composer.json b/composer.json
index 3018897d2..e12066d6c 100644
--- a/composer.json
+++ b/composer.json
@@ -34,6 +34,7 @@
         "respect/validation": "1.0.*",
         "ezyang/htmlpurifier": "^4.7",
         "ramsey/uuid": "^3.2",
-        "symfony/console": "^3.0"
+        "symfony/console": "^3.0",
+        "cocur/slugify": "^2.1"
     }
 }
diff --git a/composer.lock b/composer.lock
index f55a79792..50d9d68f8 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,8 +4,8 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "hash": "03f969c6eb107a15b0b5239da2d3c76e",
-    "content-hash": "bfebdd8e42854b5a00c9d5dc776a6212",
+    "hash": "e914006b3e14705d83af8c2166731383",
+    "content-hash": "de59bc3d1dbeb01e0e15e0347a1cd25e",
     "packages": [
         {
             "name": "cboden/ratchet",
@@ -55,6 +55,69 @@
             ],
             "time": "2015-12-23 15:06:48"
         },
+        {
+            "name": "cocur/slugify",
+            "version": "v2.1.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/cocur/slugify.git",
+                "reference": "eee9879958875921082293dbdbf4866b641864f2"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/cocur/slugify/zipball/eee9879958875921082293dbdbf4866b641864f2",
+                "reference": "eee9879958875921082293dbdbf4866b641864f2",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.5.9"
+            },
+            "require-dev": {
+                "laravel/framework": "~5.1",
+                "latte/latte": "~2.2",
+                "mikey179/vfsstream": "~1.6",
+                "mockery/mockery": "~0.9",
+                "nette/di": "~2.2",
+                "phpunit/phpunit": "~4.8|~5.2",
+                "pimple/pimple": "~1.1",
+                "plumphp/plum": "~0.1",
+                "silex/silex": "~1.3",
+                "symfony/config": "~2.4|~3.0",
+                "symfony/dependency-injection": "~2.4|~3.0",
+                "symfony/http-kernel": "~2.4|~3.0",
+                "twig/twig": "~1.12",
+                "zendframework/zend-modulemanager": "~2.2",
+                "zendframework/zend-servicemanager": "~2.2",
+                "zendframework/zend-view": "~2.2"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Cocur\\Slugify\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Ivo Bathke",
+                    "email": "ivo.bathke@gmail.com"
+                },
+                {
+                    "name": "Florian Eckerstorfer",
+                    "email": "florian@eckerstorfer.co",
+                    "homepage": "https://florian.ec"
+                }
+            ],
+            "description": "Converts a string into a slug.",
+            "keywords": [
+                "slug",
+                "slugify"
+            ],
+            "time": "2016-04-08 18:57:21"
+        },
         {
             "name": "embed/embed",
             "version": "dev-master",