Index: uspace/srv/hw/netif/ne2000/dp8390.c
===================================================================
--- uspace/srv/hw/netif/ne2000/dp8390.c	(revision 74c99b53e3281ab76267e88d6c2bec5c38442bd2)
+++ uspace/srv/hw/netif/ne2000/dp8390.c	(revision cd7939103e370e4c4a00a622dcfd706d64247ad0)
@@ -164,8 +164,9 @@
 static void ne2k_upload(ne2k_t *ne2k, void *buf, size_t addr, size_t size)
 {
+	size_t esize_ru = (size + 1) & ~1;
 	size_t esize = size & ~1;
 	
-	pio_write_8(ne2k->port + DP_RBCR0, esize & 0xff);
-	pio_write_8(ne2k->port + DP_RBCR1, (esize >> 8) & 0xff);
+	pio_write_8(ne2k->port + DP_RBCR0, esize_ru & 0xff);
+	pio_write_8(ne2k->port + DP_RBCR1, (esize_ru >> 8) & 0xff);
 	pio_write_8(ne2k->port + DP_RSAR0, addr & 0xff);
 	pio_write_8(ne2k->port + DP_RSAR1, (addr >> 8) & 0xff);