Index: head/sys/net/iflib.c
===================================================================
--- head/sys/net/iflib.c
+++ head/sys/net/iflib.c
@@ -1513,8 +1513,8 @@
 			       NULL,			/* lockfuncarg */
 			       &txq->ift_desc_tag))) {
 		device_printf(dev,"Unable to allocate TX DMA tag: %d\n", err);
-		device_printf(dev,"maxsize: %zd nsegments: %d maxsegsize: %zd\n",
-					  sctx->isc_tx_maxsize, nsegments, sctx->isc_tx_maxsegsize);
+		device_printf(dev,"maxsize: %ju nsegments: %d maxsegsize: %ju\n",
+		    (uintmax_t)sctx->isc_tx_maxsize, nsegments, (uintmax_t)sctx->isc_tx_maxsegsize);
 		goto fail;
 	}
 	if ((err = bus_dma_tag_create(bus_get_dma_tag(dev),