diff --git a/tests/sort/test.data.pl b/tests/sort/test.data.pl
index 427cfbe18..6bd38fd51 100755
--- a/tests/sort/test.data.pl
+++ b/tests/sort/test.data.pl
@@ -100,3 +100,6 @@
 # From Karl Heuer
 ("13a", '+0.1n', "axx\nb-1\n", "b-1\naxx\n", 0);
 ("13b", '+0.1n', "b-1\naxx\n", "b-1\naxx\n", 0);
+#
+# From Carl Johnson <carlj@cjlinux.home.org>
+("14a", '-d -u', "mal\nmal-\nmala\n", "mal-\nmala\n", 0);