diff --git a/kallithea/templates/admin/user_groups/user_group_edit_perms.html b/kallithea/templates/admin/user_groups/user_group_edit_perms.html
--- a/kallithea/templates/admin/user_groups/user_group_edit_perms.html
+++ b/kallithea/templates/admin/user_groups/user_group_edit_perms.html
@@ -77,7 +77,7 @@ ${h.form(url('edit_user_group_perms_upda
                 <tr class="new_members last_new_member" id="add_perm_input"><td colspan="6"></td></tr>
                 <tr>
                     <td colspan="6">
-                        <button id="add_perm" class="btn btn-link btn-xs">
+                        <button type="button" id="add_perm" class="btn btn-link btn-xs">
                             <i class="icon-plus"></i>${_('Add new')}
                         </button>
                     </td>