diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index c5a15b53ae56..39ac5f55e760 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -4112,7 +4112,7 @@ static int hwsim_tx_info_frame_received_nl(struct sk_buff *skb_2,
 		u64 skb_cookie;
 
 		txi = IEEE80211_SKB_CB(skb);
-		skb_cookie = (u64)txi->rate_driver_data[0];
+		skb_cookie = (u64)(uintptr_t)txi->rate_driver_data[0];
 
 		if (skb_cookie == ret_skb_cookie) {
 			__skb_unlink(skb, &data2->pending);