diff --git a/app/Template/user_modification/show.php b/app/Template/user_modification/show.php
index fd90d915a..b296371fc 100644
--- a/app/Template/user_modification/show.php
+++ b/app/Template/user_modification/show.php
@@ -8,7 +8,7 @@
     <fieldset>
         <legend><?= t('Profile') ?></legend>
         <?= $this->form->label(t('Username'), 'username') ?>
-        <?= $this->form->text('username', $values, $errors, array('autofocus', 'required', isset($values['is_ldap_user']) && $values['is_ldap_user'] == 1 ? 'readonly' : '', 'maxlength="50"')) ?>
+        <?= $this->form->text('username', $values, $errors, array('autofocus', 'required', isset($values['is_ldap_user']) && $values['is_ldap_user'] == 1 && !$this->user->isAdmin() ? 'readonly' : '', 'maxlength="50"')) ?>
 
         <?= $this->form->label(t('Name'), 'name') ?>
         <?= $this->form->text('name', $values, $errors, array($this->user->hasAccess('UserModificationController', 'show/edit_name') ? '' : 'readonly')) ?>