Index: trunk/core/kernel/utility/formatters.php
===================================================================
diff -u -r1926 -r2042
--- trunk/core/kernel/utility/formatters.php	(.../formatters.php)	(revision 1926)
+++ trunk/core/kernel/utility/formatters.php	(.../formatters.php)	(revision 2042)
@@ -296,7 +296,8 @@
 		}
 		// when in one of sub_fields - call update for master_field to update its value from sub_fields [are you following ? :) ]
 		elseif ($master_field = getArrayValue($options, 'master_field') ) {
-			$this->UpdateMasterFields($master_field, null, $object->GetFieldOptions($master_field), $object);			
+			$opt =& $object->GetFieldOptions($master_field);
+			$this->UpdateMasterFields($master_field, null, $opt, $object);			
 		}
 	}