diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index b7919f901fbf76ce511313d39e638d69a18269ad..d450a2f9fc0645b7addef3fcbf2d586e89d86da7 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -272,6 +272,10 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 
 	if (addr_len < SIN6_LEN_RFC2133)
 		return -EINVAL;
+
+	if (addr->sin6_family != AF_INET6)
+		return -EINVAL;
+
 	addr_type = ipv6_addr_type(&addr->sin6_addr);
 	if ((addr_type & IPV6_ADDR_MULTICAST) && sock->type == SOCK_STREAM)
 		return -EINVAL;