diff --git a/ext/soap/soap.c b/ext/soap/soap.c
index 2fbc47fa751..7b023305809 100644
--- a/ext/soap/soap.c
+++ b/ext/soap/soap.c
@@ -296,7 +296,7 @@ ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_INFO_EX(arginfo_soapserver_setclass, 0, 0, 1)
 	ZEND_ARG_INFO(0, class_name)
-	ZEND_ARG_INFO(0, args)
+	ZEND_ARG_VARIADIC_INFO(0, args)
 ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_INFO_EX(arginfo_soapserver_setobject, 0, 0, 1)