diff --git a/basis/unix/groups/groups-tests.factor b/basis/unix/groups/groups-tests.factor
index a1b5e6973f..75f5d64b5f 100644
--- a/basis/unix/groups/groups-tests.factor
+++ b/basis/unix/groups/groups-tests.factor
@@ -25,3 +25,5 @@ IN: unix.groups.tests
 [ ] [ [ ] with-group-cache ] unit-test
 
 [ ] [ real-group-id group-name drop ] unit-test
+
+[ "888888888888888" ] [ 888888888888888 group-name ] unit-test