--- a/include/libusb.h.in.orig	2015-02-21 18:53:51.023682068 +0100
+++ a/include/libusb.h.in	2015-02-21 18:54:14.722788757 +0100
@@ -6,4 +6,4 @@
  * path at configure time and various apcupsd bits include this
  * when they need libusb's usb.h.
  */
-#include "@LIBUSBH@"
+#include "usb.h"
