Index: boot/arch/amd64/Makefile.inc
===================================================================
--- boot/arch/amd64/Makefile.inc	(revision 41b96b443027a957b936df2b4feeeb4a4933f8a8)
+++ boot/arch/amd64/Makefile.inc	(revision 00c18bcf4b928a6030ef51ba34fe5544e0206c8b)
@@ -47,4 +47,5 @@
 	uhci-hcd \
 	uhci-rhd \
+	usbflbk \
 	usbhub \
 	usbhid \
