diff --git a/src/testdir/Make_ming.mak b/src/testdir/Make_ming.mak
index 4aee8cd..dfc1487 100644
--- a/src/testdir/Make_ming.mak
+++ b/src/testdir/Make_ming.mak
@@ -75,6 +75,8 @@
 
 fixff:
 	-$(VIMPROG) -u dos.vim --noplugin "+argdo set ff=dos|upd" +q *.in *.ok
+	-$(VIMPROG) -u dos.vim --noplugin "+argdo set ff=unix|upd" +q \
+		dotest.in test60.ok test71.ok test74.ok
 
 clean:
 	-$(DEL) *.out