diff --git a/ext/standard/basic_functions.c b/ext/standard/basic_functions.c
index c4505886d6a..99a88378699 100644
--- a/ext/standard/basic_functions.c
+++ b/ext/standard/basic_functions.c
@@ -632,8 +632,9 @@ ZEND_BEGIN_ARG_INFO(arginfo_long2ip, 0)
 	ZEND_ARG_INFO(0, proper_address)
 ZEND_END_ARG_INFO()
 
-ZEND_BEGIN_ARG_INFO(arginfo_getenv, 0)
+ZEND_BEGIN_ARG_INFO_EX(arginfo_getenv, 0, 0, 1)
 	ZEND_ARG_INFO(0, varname)
+	ZEND_ARG_INFO(0, local_only)
 ZEND_END_ARG_INFO()
 
 #ifdef HAVE_PUTENV