diff --git a/module/gitlab/model.php b/module/gitlab/model.php
index b2b60622b1..a194e46ced 100644
--- a/module/gitlab/model.php
+++ b/module/gitlab/model.php
@@ -2107,11 +2107,10 @@ class gitlabModel extends model
      */
     public function editUser($gitlabID)
     {
-        $user = fixer::input('post')->removeIF(!$this->post->password, 'password,password_repeat')->remove('avatar')->get();
+        $user = fixer::input('post')->remove('username')->removeIF(!$this->post->password, 'password,password_repeat')->remove('avatar')->get();
         if(!empty($_FILES['avatar'])) $user->avatar = curl_file_create($_FILES['avatar']['tmp_name'], $_FILES['avatar']['type'], $_FILES['avatar']['name']);
 
         if(empty($user->name))     dao::$errors['name'][] = $this->lang->gitlab->user->name . $this->lang->gitlab->user->emptyError;
-        if(empty($user->username)) dao::$errors['username'][] = $this->lang->gitlab->user->username . $this->lang->gitlab->user->emptyError;
         if(empty($user->email))    dao::$errors['email'][] = $this->lang->gitlab->user->email . $this->lang->gitlab->user->emptyError;
         if(dao::isError()) return false;
         if(!empty($user->password) and $user->password != $user->password_repeat)
diff --git a/module/gitlab/view/edituser.html.php b/module/gitlab/view/edituser.html.php
index b4217039f9..128025b3b5 100644
--- a/module/gitlab/view/edituser.html.php
+++ b/module/gitlab/view/edituser.html.php
@@ -27,7 +27,7 @@
           </tr>
           <tr>
             <th><?php echo $lang->gitlab->user->username;?></th>
-            <td class='required'><?php echo html::input('username', $user->username, "class='form-control' placeholder='{$lang->gitlab->user->username}'");?></td>
+            <td><?php echo html::input('username', $user->username, "readonly class='form-control' placeholder='{$lang->gitlab->user->username}'");?></td>
             <td class="tips-git"></td>
           </tr>
           <tr>
@@ -62,7 +62,7 @@
               <div class="checkbox-primary">
                 <input type="checkbox" name='external' id="external" value='1' <?php if($user->external) echo 'checked';?> /><label for="external" class="no-margin"><?php echo $lang->gitlab->user->externalTip; ?></label>
               </div>
-            </td> 
+            </td>
           </tr>
           <tr>
             <th><?php echo $lang->gitlab->user->bind;?></th>