diff --git a/msdos/mainmake.v2 b/msdos/mainmake.v2
index 58467d9be29..063f706b421 100644
--- a/msdos/mainmake.v2
+++ b/msdos/mainmake.v2
@@ -76,6 +76,7 @@ install: all
 	if exist etags.exe mv -f etags.exe ../bin
 	if exist ctags.exe mv -f ctags.exe ../bin
 	if exist b2m.exe mv -f b2m.exe ../bin
+	if exist fns.el sed -e '' fns.el > ..\bin\fns.el
 	cd ..
 	cd src
 	stubify emacs