diff --git a/ext/standard/basic_functions.c b/ext/standard/basic_functions.c
index f28d14457ab..3e264ed3a77 100644
--- a/ext/standard/basic_functions.c
+++ b/ext/standard/basic_functions.c
@@ -1549,12 +1549,14 @@ ZEND_BEGIN_ARG_INFO(arginfo_iptcparse, 0)
 	ZEND_ARG_INFO(0, iptcdata)
 ZEND_END_ARG_INFO()
 /* }}} */
+
 /* {{{ lcg.c */
 ZEND_BEGIN_ARG_INFO(arginfo_lcg_value, 0)
 ZEND_END_ARG_INFO()
 /* }}} */
+
 /* {{{ levenshtein.c */
-ZEND_BEGIN_ARG_INFO(arginfo_levenshtein, 0)
+ZEND_BEGIN_ARG_INFO_EX(arginfo_levenshtein, 0, 0, 2)
 	ZEND_ARG_INFO(0, str1)
 	ZEND_ARG_INFO(0, str2)
 	ZEND_ARG_INFO(0, cost_ins)