Index: head/sys/dev/usb/wlan/if_urtwn.c
===================================================================
--- head/sys/dev/usb/wlan/if_urtwn.c
+++ head/sys/dev/usb/wlan/if_urtwn.c
@@ -1775,7 +1775,7 @@
 	struct r92c_tx_desc *txd;
 	uint8_t raid, type;
 	uint16_t sum;
-	int i, hasqos, xferlen;
+	int i, xferlen;
 	struct usb_xfer *urtwn_pipes[4] = {
 		sc->sc_xfer[URTWN_BULK_TX_BE],
 		sc->sc_xfer[URTWN_BULK_TX_BK],
@@ -1816,8 +1816,6 @@
 		break;
 	}
 
-	hasqos = 0;
-
 	/* Fill Tx descriptor. */
 	txd = (struct r92c_tx_desc *)data->buf;
 	memset(txd, 0, sizeof(*txd));
@@ -1873,7 +1871,7 @@
 	/* Set sequence number (already little endian). */
 	txd->txdseq |= *(uint16_t *)wh->i_seq;
 
-	if (!hasqos) {
+	if (!IEEE80211_QOS_HAS_SEQ(wh)) {
 		/* Use HW sequence numbering for non-QoS frames. */
 		txd->txdw4  |= htole32(R92C_TXDW4_HWSEQ);
 		txd->txdseq |= htole16(0x8000);