Index: functions.php
===================================================================
--- functions.php	(revision 18391)
+++ functions.php	(working copy)
@@ -3881,8 +3881,8 @@
 	}
 
 	if ( $result ) {
-		do_action( "update_site_option_{$option}", $option, $value );
-		do_action( "update_site_option", $option, $value );
+		do_action( "update_site_option_{$option}", $option, $value, $oldvalue );
+		do_action( "update_site_option", $option, $value, $oldvalue );
 		return true;
 	}
 	return false;