diff --git a/net/ipv4/fib_lookup.h b/net/ipv4/fib_lookup.h
index fd6f7769f8ab7fd0278fe1f65b02a677db44b688..6e9b3e86ae845ed8583beff24810db37f4c7bd21 100644
--- a/net/ipv4/fib_lookup.h
+++ b/net/ipv4/fib_lookup.h
@@ -20,7 +20,7 @@ struct fib_alias {
 /* Exported by fib_semantics.c */
 extern int fib_semantic_match(struct list_head *head,
 			      const struct flowi *flp,
-			      struct fib_result *res, __u32 zone, __u32 mask,
+			      struct fib_result *res, __be32 zone, __be32 mask,
 				int prefixlen);
 extern void fib_release_info(struct fib_info *);
 extern struct fib_info *fib_create_info(struct fib_config *cfg);
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index d853bd2bd0d2f2f5cacab102a37b6d19e7d359f5..66b78df1c67208fbae6de7c58a8b44220650a82e 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -847,7 +847,7 @@ struct fib_info *fib_create_info(struct fib_config *cfg)
 
 /* Note! fib_semantic_match intentionally uses  RCU list functions. */
 int fib_semantic_match(struct list_head *head, const struct flowi *flp,
-		       struct fib_result *res, __u32 zone, __u32 mask, 
+		       struct fib_result *res, __be32 zone, __be32 mask,
 			int prefixlen)
 {
 	struct fib_alias *fa;