Index: uspace/lib/usbvirt/Makefile
===================================================================
--- uspace/lib/usbvirt/Makefile	(revision 4e832d8f4645690f5ac0b0a06312d3f2e7551259)
+++ uspace/lib/usbvirt/Makefile	(revision 0475e13dcf24f22f75e60d82e225e7356ebb5c23)
@@ -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 = \