Index: uspace/lib/usbvirt/Makefile
===================================================================
--- uspace/lib/usbvirt/Makefile	(revision 4e832d8f4645690f5ac0b0a06312d3f2e7551259)
+++ uspace/lib/usbvirt/Makefile	(revision 681f24b32274b5a4925e0ca4d3d1d5c1ffa25354)
@@ -30,5 +30,5 @@
 LIBRARY = libusbvirt
 
-EXTRA_CFLAGS = -I$(LIBUSB_PREFIX)/include -Iinclude
+EXTRA_CFLAGS = -I$(LIBUSB_PREFIX)/include -I$(LIBDRV_PREFIX)/include -Iinclude
 
 SOURCES = \