diff --git a/packages/plunit/examples/simple.pl b/packages/plunit/examples/simple.pl
index e3e52d314..688a6ca94 100644
--- a/packages/plunit/examples/simple.pl
+++ b/packages/plunit/examples/simple.pl
@@ -31,3 +31,7 @@ test(append) :-
 
 :- end_tests(lists).
 
+:- run_tests.
+
+:- run_tests(lists:member).
+