diff --git a/SD_ROOT/wz_mini/run_mmc.sh b/SD_ROOT/wz_mini/run_mmc.sh
index 12b9395..52fc9a6 100755
--- a/SD_ROOT/wz_mini/run_mmc.sh
+++ b/SD_ROOT/wz_mini/run_mmc.sh
@@ -262,10 +262,12 @@ if [[ "$ENABLE_USB_DIRECT" == "true" ]]; then
 	#wipe the bits to set the ID_PIN
 	devmem 0x10000040 32 0x0b000FFF
 
+        host_macaddr=$(echo $HOSTNAME|md5sum|sed 's/^\(..\)\(..\)\(..\)\(..\)\(..\).*$/02:\1:\2:\3:\4:\5/')
+
 	insmod /opt/wz_mini/lib/modules/3.10.14__isvp_swan_1.0__/kernel/drivers/usb/gadget/libcomposite.ko
 	insmod /opt/wz_mini/lib/modules/3.10.14__isvp_swan_1.0__/kernel/drivers/usb/gadget/u_ether.ko
 	insmod /opt/wz_mini/lib/modules/3.10.14__isvp_swan_1.0__/kernel/drivers/usb/gadget/usb_f_ncm.ko
-	insmod /opt/wz_mini/lib/modules/3.10.14__isvp_swan_1.0__/kernel/drivers/usb/gadget/g_ncm.ko iManufacturer=wz_mini_ncm dev_addr=$USB_DIRECT_MAC_ADDR
+	insmod /opt/wz_mini/lib/modules/3.10.14__isvp_swan_1.0__/kernel/drivers/usb/gadget/g_ncm.ko iManufacturer=wz_mini_ncm host_addr=$host_macaddr dev_addr=$USB_DIRECT_MAC_ADDR
 
 	sleep 1