diff --git a/configs/comtrend_ar5387un_ram_defconfig b/configs/comtrend_ar5387un_ram_defconfig
index 599fda4..68969c0 100644
--- a/configs/comtrend_ar5387un_ram_defconfig
+++ b/configs/comtrend_ar5387un_ram_defconfig
@@ -73,3 +73,5 @@
 CONFIG_USB_EHCI_GENERIC=y
 CONFIG_USB_OHCI_HCD=y
 CONFIG_USB_OHCI_GENERIC=y
+CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS=2
+CONFIG_SYS_OHCI_SWAP_REG_ACCESS=y