diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 66b78df1c67208fbae6de7c58a8b44220650a82e..f7567e92cd9e297e68219ee2ba71c5e4d0307106 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -914,8 +914,7 @@ int fib_semantic_match(struct list_head *head, const struct flowi *flp,
 	res->fi = fa->fa_info;
 #ifdef CONFIG_IP_ROUTE_MULTIPATH_CACHED
 	res->netmask = mask;
-	res->network = zone &
-		(0xFFFFFFFF >> (32 - prefixlen));
+	res->network = zone & inet_make_mask(prefixlen);
 #endif
 	atomic_inc(&res->fi->fib_clntref);
 	return 0;