diff --git a/desk/app/bark.hoon b/desk/app/bark.hoon
index cdade5e..56a4d9d 100644
--- a/desk/app/bark.hoon
+++ b/desk/app/bark.hoon
@@ -113,7 +113,8 @@
 ++  on-agent  on-agent:def
 ++  on-fail
   |=  [=term =tang]
-  (mean ':sub +on-fail' term tang)
+  %-  (slog 'bark: on-fail' term tang)
+  [~ this]
 ++  on-leave
   |=  =path
   `this