diff --git a/Makefile.inc1 b/Makefile.inc1
index cd10435188cd..5ff8332423e5 100644
--- a/Makefile.inc1
+++ b/Makefile.inc1
@@ -414,9 +414,14 @@ _share=	share/syscons/scrnmaps
 _fortran= gnu/usr.bin/cc/f771
 .endif
 
+.if exists(${.CURDIR}/kerberosIV) && exists(${.CURDIR}/crypto) && \
+    !defined(NOCRYPT) && defined(MAKE_KERBEROS4)
+_libroken= kerberosIV/lib/libroken
+.endif
+
 build-tools:
 .for _tool in bin/sh ${_games} gnu/usr.bin/cc/cc_tools ${_fortran} \
-    lib/libncurses ${_share}
+    ${_libroken} lib/libncurses ${_share}
 	cd ${.CURDIR}/${_tool}; ${MAKE} build-tools
 .endfor