diff --git a/sys/dev/ic/rtwnreg.h b/sys/dev/ic/rtwnreg.h
index dad243e83cea..3613c4f20bb5 100644
--- a/sys/dev/ic/rtwnreg.h
+++ b/sys/dev/ic/rtwnreg.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: rtwnreg.h,v 1.2 2019/07/25 14:31:35 msaitoh Exp $	*/
+/*	$NetBSD: rtwnreg.h,v 1.3 2020/04/16 17:18:27 nat Exp $	*/
 /*	$OpenBSD: r92creg.h,v 1.16 2017/09/22 13:41:56 kevlo Exp $	*/
 
 /*-
@@ -1341,6 +1341,8 @@ struct r92c_rx_desc_usb {
 
 #define R92C_RXDW2_PKTCNT_M	0x00ff0000
 #define R92C_RXDW2_PKTCNT_S	16
+#define R92E_RXDW2_PKTCNT_M	0x3fc00000
+#define R92E_RXDW2_PKTCNT_S	22
 
 #define R92C_RXDW3_RATE_M	0x0000003f
 #define R92C_RXDW3_RATE_S	0
diff --git a/sys/dev/usb/if_urtwn.c b/sys/dev/usb/if_urtwn.c
index 8001ad4b23c0..c5b794545f62 100644
--- a/sys/dev/usb/if_urtwn.c
+++ b/sys/dev/usb/if_urtwn.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: if_urtwn.c,v 1.85 2020/04/04 08:46:01 skrll Exp $	*/
+/*	$NetBSD: if_urtwn.c,v 1.86 2020/04/16 17:18:27 nat Exp $	*/
 /*	$OpenBSD: if_urtwn.c,v 1.42 2015/02/10 23:25:46 mpi Exp $	*/
 
 /*-
@@ -25,7 +25,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_urtwn.c,v 1.85 2020/04/04 08:46:01 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_urtwn.c,v 1.86 2020/04/16 17:18:27 nat Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -2527,7 +2527,10 @@ urtwn_rxeof(struct usbd_xfer *xfer, void *priv, usbd_status status)
 
 	/* Get the number of encapsulated frames. */
 	stat = (struct r92c_rx_desc_usb *)buf;
-	npkts = MS(le32toh(stat->rxdw2), R92C_RXDW2_PKTCNT);
+	if (ISSET(sc->chip, URTWN_CHIP_92EU))
+		npkts = MS(le32toh(stat->rxdw2), R92E_RXDW2_PKTCNT);
+	else
+		npkts = MS(le32toh(stat->rxdw2), R92C_RXDW2_PKTCNT);
 	DPRINTFN(DBG_RX, "Rx %jd frames in one chunk", npkts, 0, 0, 0);
 
 	if (npkts != 0)