1 files changed, 2 insertions, 0 deletions

diff --git a/net/mac802154/wpan.c b/net/mac802154/wpan.c
index d20c6d3c247d..7d3f6594ed4f 100644
--- a/net/mac802154/wpan.c
+++ b/net/mac802154/wpan.c
@@ -145,6 +145,8 @@ static int mac802154_header_create(struct sk_buff *skb,
 
         head[pos++] = mac_cb(skb)->seq; /* DSN/BSN */
         fc = mac_cb_type(skb);
+        if (mac_cb_is_ackreq(skb))
+                fc |= IEEE802154_FC_ACK_REQ;
 
         if (!saddr) {
                 spin_lock_bh(&priv->mib_lock);