diff --git a/include/net/neighbour.h b/include/net/neighbour.h
index 9816df225af3b4c29017e6a762315e85b3e2733c..9a25512e0a6e1e1b85f03ddc96cc0ae4668af0f2 100644
--- a/include/net/neighbour.h
+++ b/include/net/neighbour.h
@@ -190,7 +190,7 @@ struct neigh_hash_table {
 
 struct neigh_table {
 	int			family;
-	int			entry_size;
+	unsigned int		entry_size;
 	int			key_len;
 	__be16			protocol;
 	__u32			(*hash)(const void *pkey,