diff --git a/src/testdir/Make_dos.mak b/src/testdir/Make_dos.mak
index 1ba4407..51574de 100644
--- a/src/testdir/Make_dos.mak
+++ b/src/testdir/Make_dos.mak
@@ -47,6 +47,7 @@
 		test_listlbr.out \
 		test_listlbr_utf8.out \
 		test_mapping.out \
+		test_marks.out \
 		test_nested_function.out \
 		test_options.out \
 		test_qf_title.out \