diff --git a/include/net/netlink.h b/include/net/netlink.h
index 18024b8cecb8..208fe5a38546 100644
--- a/include/net/netlink.h
+++ b/include/net/netlink.h
@@ -702,7 +702,7 @@ static inline int nla_len(const struct nlattr *nla)
  */
 static inline int nla_ok(const struct nlattr *nla, int remaining)
 {
-	return remaining >= sizeof(*nla) &&
+	return remaining >= (int) sizeof(*nla) &&
 	       nla->nla_len >= sizeof(*nla) &&
 	       nla->nla_len <= remaining;
 }