diff --git a/javascripts/theme.js b/javascripts/theme.js
index 317fa2e..022c16e 100644
--- a/javascripts/theme.js
+++ b/javascripts/theme.js
@@ -357,7 +357,9 @@ $(function() {
   $('#top-menu').css('background-position', '0 -' + timestamp + 'px');
 
   // don't allow assigning issues to Entr'ouvert group
-  $('body.controller-issues #issue_assigned_to_id [value=21]').hide();
+  $('body.controller-issues #issue_assigned_to_id option:contains("Entr\'ouvert")').hide();
+  // don't allow assigning issues to "support technique" group
+  $('body.controller-issues #issue_assigned_to_id option:contains("Support technique")').hide();
 
   if ($('body.controller-issues.action-new').length == 1) {
     alter_new_issue_page();
@@ -387,4 +389,12 @@ $(function() {
     folded_custom_reports();
   }
 
+  // admin features, fake access control
+  if ($('.administration').length == 0) {
+    return;
+  }
+
+  // allow assigning issues to "support technique" group
+  $('body.controller-issues #issue_assigned_to_id option:contains("Support technique")').show();
+
 });