diff --git a/net/xdp/xskmap.c b/net/xdp/xskmap.c
index acc8e52..47cb92c 100644
--- a/net/xdp/xskmap.c
+++ b/net/xdp/xskmap.c
@@ -216,7 +216,7 @@ static int xsk_map_delete_elem(struct bpf_map *map, void *key)
 	struct xsk_map *m = container_of(map, struct xsk_map, map);
 	struct xdp_sock __rcu **map_entry;
 	struct xdp_sock *old_xs;
-	int k = *(u32 *)key;
+	u32 k = *(u32 *)key;
 
 	if (k >= map->max_entries)
 		return -EINVAL;