Index: branches/RC/core/kernel/kbase.php
===================================================================
diff -u -r8929 -r9027
--- branches/RC/core/kernel/kbase.php	(.../kbase.php)	(revision 8929)
+++ branches/RC/core/kernel/kbase.php	(.../kbase.php)	(revision 9027)
@@ -563,8 +563,10 @@
 		if( isset($field_options['options_sql']) )
 		{
 			// replace with query result
+			$language_id = $this->Application->GetVar('m_lang');
 			$select_clause = '`'.$field_options['option_title_field'].'`,`'.$field_options['option_key_field'].'`';
-			$sql = sprintf($field_options['options_sql'], $select_clause, $this->Application->GetVar('m_lang'));
+			$sql = sprintf($field_options['options_sql'], $select_clause, $language_id);
+			$sql = str_replace('%2$s', $language_id, $sql); // replace langauge in field names
 
 			$options_hash = getArrayValue($field_options,'options');
 			if($options_hash === false) $options_hash = Array();