diff --git a/sys/dev/usb/if_rum.c b/sys/dev/usb/if_rum.c
index 5eb0d9a973a1..4277337b55b9 100644
--- a/sys/dev/usb/if_rum.c
+++ b/sys/dev/usb/if_rum.c
@@ -1,5 +1,5 @@
 /*	$OpenBSD: if_rum.c,v 1.40 2006/09/18 16:20:20 damien Exp $	*/
-/*	$NetBSD: if_rum.c,v 1.7 2007/03/04 06:02:48 christos Exp $	*/
+/*	$NetBSD: if_rum.c,v 1.8 2007/03/11 09:38:24 mlelstv Exp $	*/
 
 /*-
  * Copyright (c) 2005, 2006 Damien Bergamini <damien.bergamini@free.fr>
@@ -24,7 +24,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_rum.c,v 1.7 2007/03/04 06:02:48 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_rum.c,v 1.8 2007/03/11 09:38:24 mlelstv Exp $");
 
 #include "bpfilter.h"
 
@@ -1128,8 +1128,8 @@ rum_tx_mgt(struct rum_softc *sc, struct mbuf *m0, struct ieee80211_node *ni)
 	if ((xferlen % 64) == 0)
 		xferlen += 4;
 
-	DPRINTFN(10, ("sending msg frame len=%lu rate=%u xfer len=%u\n",
-	    (long unsigned int)m0->m_pkthdr.len + RT2573_TX_DESC_SIZE,
+	DPRINTFN(10, ("sending msg frame len=%zu rate=%u xfer len=%u\n",
+	    (size_t)m0->m_pkthdr.len + RT2573_TX_DESC_SIZE,
 	    rate, xferlen));
 
 	usbd_setup_xfer(data->xfer, sc->sc_tx_pipeh, data, data->buf, xferlen,
@@ -1219,8 +1219,8 @@ rum_tx_data(struct rum_softc *sc, struct mbuf *m0, struct ieee80211_node *ni)
 	if ((xferlen % 64) == 0)
 		xferlen += 4;
 
-	DPRINTFN(10, ("sending data frame len=%lu rate=%u xfer len=%u\n",
-	    (long unsigned int)m0->m_pkthdr.len + RT2573_TX_DESC_SIZE,
+	DPRINTFN(10, ("sending data frame len=%zu rate=%u xfer len=%u\n",
+	    (size_t)m0->m_pkthdr.len + RT2573_TX_DESC_SIZE,
 	    rate, xferlen));
 
 	usbd_setup_xfer(data->xfer, sc->sc_tx_pipeh, data, data->buf, xferlen,