diff --git a/src/add-ons/kernel/bus_managers/usb/usb_private.h b/src/add-ons/kernel/bus_managers/usb/usb_private.h
index ef8a8c87dc..81f5137c83 100644
--- a/src/add-ons/kernel/bus_managers/usb/usb_private.h
+++ b/src/add-ons/kernel/bus_managers/usb/usb_private.h
@@ -15,6 +15,7 @@
 
 #include "usbspec_private.h"
 #include <lock.h>
+#include <Referenceable.h>
 #include <util/Vector.h>
 
 // include vm.h before iovec_support.h for generic_memcpy, which is used by the bus drivers.