diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index f4c85b2..69ebdbe 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -89,7 +89,7 @@
 
 	if (ipv6_addr_any(addr6))
 		hash = jhash_1word(0, mix);
-	else if (ipv6_addr_type(addr6) == IPV6_ADDR_MAPPED)
+	else if (ipv6_addr_v4mapped(addr6))
 		hash = jhash_1word(addr6->s6_addr32[3], mix);
 	else
 		hash = jhash2(addr6->s6_addr32, 4, mix);