diff --git a/Makefile.inc1 b/Makefile.inc1
index 82a65e71aea9..14d4a5e309c4 100644
--- a/Makefile.inc1
+++ b/Makefile.inc1
@@ -503,6 +503,10 @@ _games=	games/adventure games/hack games/phantasia
 _share=	share/syscons/scrnmaps
 .endif
 
+.if !defined(NO_FORTRAN)
+_fortran= gnu/usr.bin/cc/f771
+.endif
+
 .if exists(${.CURDIR}/kerberosIV) && exists(${.CURDIR}/crypto) && \
     !defined(NOCRYPT) && defined(MAKE_KERBEROS4)
 _libroken4= kerberosIV/lib/libroken
@@ -514,7 +518,7 @@ _libroken5= kerberos5/lib/libroken
 .endif
 
 build-tools:
-.for _tool in bin/sh ${_games} gnu/usr.bin/cc/cc_tools \
+.for _tool in bin/sh ${_games} gnu/usr.bin/cc/cc_tools ${_fortran} \
     ${_libroken4} ${_libroken5} lib/libncurses ${_share}
 	cd ${.CURDIR}/${_tool}; ${MAKE} build-tools
 .endfor