Index: branches/5.2.x/core/units/filters/item_filter_tp.php
===================================================================
diff -u -N -r15137 -r15152
--- branches/5.2.x/core/units/filters/item_filter_tp.php	(.../item_filter_tp.php)	(revision 15137)
+++ branches/5.2.x/core/units/filters/item_filter_tp.php	(.../item_filter_tp.php)	(revision 15152)
@@ -45,7 +45,7 @@
 	{
 		static $cache = Array ();
 
-		$object =& $this->getObject($params);
+		$object = $this->getObject($params);
 		/* @var $object kDBItem */
 
 		// get item list to be filtered
@@ -311,7 +311,7 @@
 			$range_count = $max_value / $this->Application->GetVar('range_step');
 		}
 		else {
-			$object =& $this->getObject($params);
+			$object = $this->getObject($params);
 			/* @var $object kDBItem */
 
 			$range_count = $object->GetDBField('RangeCount');