diff --git a/app/views/users/_groups.html.erb b/app/views/users/_groups.html.erb
index e24296e..1203d3b 100644
--- a/app/views/users/_groups.html.erb
+++ b/app/views/users/_groups.html.erb
@@ -1,7 +1,7 @@
 <%= form_for(:user, :url => { :action => 'update' }, :html => {:method => :put}) do %>
 <div class="box">
 <% Group.all.sort.each do |group| %>
-<label><%= check_box_tag 'user[group_ids][]', group.id, @user.groups.include?(group) %> <%=h group %></label><br />
+<label><%= check_box_tag 'user[group_ids][]', group.id, @user.groups.include?(group), :id => nil %> <%=h group %></label><br />
 <% end %>
 <%= hidden_field_tag 'user[group_ids][]', '' %>
 </div>