Index: uspace/lib/usbvirt/Makefile
===================================================================
--- uspace/lib/usbvirt/Makefile	(revision e25a849b8efb13e779f8c2ac0844acd744764f61)
+++ uspace/lib/usbvirt/Makefile	(revision c372e032f5e68c630fb49e061ddf9910bccbbdd4)
@@ -30,5 +30,9 @@
 LIBRARY = libusbvirt
 
-EXTRA_CFLAGS = -I$(LIBUSB_PREFIX)/include -I$(LIBDRV_PREFIX)/include -Iinclude
+EXTRA_CFLAGS = \
+	-I$(LIBDRV_PREFIX)/include \
+	-I$(LIBUSB_PREFIX)/include \
+	-I$(LIBUSBDEV_PREFIX)/include \
+	-Iinclude
 
 SOURCES = \