Index: program/include/rcube_contacts.php
===================================================================
--- program/include/rcube_contacts.php	(revision a35062a1eba5c6c15f703686cd4fecc5536d74df)
+++ program/include/rcube_contacts.php	(revision c69d2ae6e9571d6f6c8cc82a38761046404c6e0a)
@@ -40,5 +40,5 @@
   var $primary_key = 'contact_id';
   var $readonly = false;
-  var $groups = false;
+  var $groups = true;
   var $list_page = 1;
   var $page_size = 10;
@@ -59,7 +59,4 @@
     $this->user_id = $user;
     $this->ready = $this->db && !$this->db->is_error();
-    
-    if (in_array('contactgroups', $this->db->list_tables()))
-      $this->groups = true;
   }