diff --git a/src/testdir/Make_ming.mak b/src/testdir/Make_ming.mak
index 2f00124..9faac68 100644
--- a/src/testdir/Make_ming.mak
+++ b/src/testdir/Make_ming.mak
@@ -75,6 +75,7 @@
 		test_listlbr_utf8.out \
 		test_mapping.out \
 		test_marks.out \
+		test_match_conceal.out \
 		test_nested_function.out \
 		test_options.out \
 		test_perl.out \