diff --git a/configs/porter_defconfig b/configs/porter_defconfig
index 206ba47..a50d9ed 100644
--- a/configs/porter_defconfig
+++ b/configs/porter_defconfig
@@ -25,4 +25,5 @@
 CONFIG_SPI_FLASH_SPANSION=y
 CONFIG_BAUDRATE=38400
 CONFIG_USB=y
+CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_STORAGE=y