--- src/VBox/Additions/x11/VBoxClient/Makefile.kmk.orig	2020-07-10 02:50:14.000000000 +1000
+++ src/VBox/Additions/x11/VBoxClient/Makefile.kmk	2020-08-23 02:05:05.913288000 +1000
@@ -46,6 +46,8 @@
 	chk_stubs.c
 VBoxClient_LIBPATH = \
 	$(VBOX_LIBPATH32_X11)
+VBoxClient_LIBS.bsdsunix = \
+	iconv
 VBoxClient_LIBS.freebsd = \
 	iconv
 VBoxClient_LIBS.linux = \
@@ -94,7 +96,7 @@
 endif
 
 if defined(VBOX_WITH_TESTCASES) && !defined(VBOX_ONLY_ADDITIONS) && !defined(VBOX_ONLY_SDK)
- if1of ($(KBUILD_TARGET), freebsd linux netbsd openbsd solaris)
+ if1of ($(KBUILD_TARGET), bsdsunix freebsd linux netbsd openbsd solaris)
 
 # Set this in LocalConfig.kmk if you are working on the X11 clipboard service
 # to automatically run the unit test at build time.