Index: install/upgrades.sql
===================================================================
--- install/upgrades.sql	(revision 13311)
+++ install/upgrades.sql	(working copy)
@@ -1630,4 +1630,7 @@
 
 UPDATE Phrase
 SET Module = 'Core'
-WHERE Phrase IN ('la_fld_Image', 'la_fld_Qty');
\ No newline at end of file
+WHERE Phrase IN ('la_fld_Image', 'la_fld_Qty');
+
+# ===== v 5.0.3-B2 =====
+UPDATE CustomField SET ValueList = REPLACE(ValueList, '=+||', '') WHERE ElementType = 'radio';
\ No newline at end of file
Index: units/custom_fields/custom_fields_event_handler.php
===================================================================
--- units/custom_fields/custom_fields_event_handler.php	(revision 13311)
+++ units/custom_fields/custom_fields_event_handler.php	(working copy)
@@ -284,7 +284,7 @@
 			$minput_helper =& $this->Application->recallObject('MInputHelper');
 			/* @var $minput_helper MInputHelper */
 
-			$ret = $object->GetDBField('ElementType') == 'multiselect' ? Array () : Array ('' => '=+');
+			$ret = $object->GetDBField('ElementType') == 'select' ? Array ('' => '=+') : Array ();
 			$records = $minput_helper->parseMInputXML($object->GetDBField('Options'));
 
 			if ($object->GetDBField('SortValues')) {