diff --git a/sys/conf/options b/sys/conf/options
index b3d076f1e473..9a96c94dc421 100644
--- a/sys/conf/options
+++ b/sys/conf/options
@@ -643,6 +643,7 @@ BUS_DEBUG		opt_bus.h
 
 # options for USB support
 USB_DEBUG		opt_usb.h
+USB_HOST_ALIGN		opt_usb.h
 USB_REQ_DEBUG		opt_usb.h
 USB_VERBOSE		opt_usb.h
 USB_EHCI_BIG_ENDIAN_DESC	opt_usb.h