--- src/VBox/ExtPacks/BusMouseSample/Makefile.kmk.orig	2020-07-10 02:56:00.000000000 +1000
+++ src/VBox/ExtPacks/BusMouseSample/Makefile.kmk	2020-08-23 11:22:55.697973000 +1000
@@ -137,6 +137,12 @@
 if1of (darwin.x86, $(VBOX_WITH_EXTPACK_OS_ARCHS))
  VBOX_BUSMOUSE_FILES += $(call VBOX_BUSMOUSE_FILES_MACRO,darwin.x86,dist/VirtualBox.app/Contents/MacOS,dylib)
 endif
+if1of (bsdsunix.amd64, $(VBOX_WITH_EXTPACK_OS_ARCHS))
+ VBOX_BUSMOUSE_FILES += $(call VBOX_BUSMOUSE_FILES_MACRO,bsdsunix.amd64,bin,so)
+endif
+if1of (bsdsunix.x86, $(VBOX_WITH_EXTPACK_OS_ARCHS))
+ VBOX_BUSMOUSE_FILES += $(call VBOX_BUSMOUSE_FILES_MACRO,bsdsunix.x86,bin,so)
+endif
 if1of (freebsd.amd64, $(VBOX_WITH_EXTPACK_OS_ARCHS))
  VBOX_BUSMOUSE_FILES += $(call VBOX_BUSMOUSE_FILES_MACRO,freebsd.amd64,bin,so)
 endif