diff --git a/ingo/lib/Storage/Filters/Prefs.php b/ingo/lib/Storage/Filters/Prefs.php
index a57595bfb99..c913d3a7e34 100644
--- a/ingo/lib/Storage/Filters/Prefs.php
+++ b/ingo/lib/Storage/Filters/Prefs.php
@@ -24,12 +24,12 @@ class Ingo_Storage_Filters_Prefs extends Ingo_Storage_Filters
 {
     /**
      * Constructor.
+     *
+     * @param Horde_Prefs $p  Prefs object to retrieve data from.
      */
-    public function __construct()
+    public function __construct(Horde_Prefs $p)
     {
-        global $prefs;
-
-        if ($rules = @unserialize($prefs->getValue('rules'))) {
+        if ($rules = @unserialize($p->getValue('rules'))) {
             $this->_filters = $rules;
         }
     }
diff --git a/ingo/lib/Storage/Prefs.php b/ingo/lib/Storage/Prefs.php
index 29059ac4b62..8009abb528f 100644
--- a/ingo/lib/Storage/Prefs.php
+++ b/ingo/lib/Storage/Prefs.php
@@ -52,7 +52,7 @@ protected function _retrieve($field, $readonly = false)
             break;
 
         case self::ACTION_FILTERS:
-            $ob = new Ingo_Storage_Filters_Prefs();
+            $ob = new Ingo_Storage_Filters_Prefs($this->_prefs());
             break;
 
         case self::ACTION_FORWARD: