diff --git a/pkg/arvo/app/observe-hook.hoon b/pkg/arvo/app/observe-hook.hoon
index 211d84fce..ec209a853 100644
--- a/pkg/arvo/app/observe-hook.hoon
+++ b/pkg/arvo/app/observe-hook.hoon
@@ -135,7 +135,7 @@
   |^
   ?+  wire  (on-agent:def wire sign)
     [%observer @ ~]        on-observer
-    [%thread-result @ ~]   on-thread-result
+    [%thread-result @ @ ~]   on-thread-result
     [%thread-start @ @ ~]  on-thread-start
   ==
   ::
@@ -167,7 +167,7 @@
       =/  tid  (scot %uv (sham eny.bowl))
       :_  this
       :~  :*  %pass
-              [%thread-result i.t.wire ~]
+              [%thread-result i.t.wire tid ~]
               %agent
               [our.bowl %spider]
               %watch
@@ -184,7 +184,7 @@
     ==
   ::
   ++  on-thread-result
-    ?>  ?=([%thread-result @ ~] wire)
+    ?>  ?=([%thread-result @ @ ~] wire)
     ?+    -.sign  (on-agent:def wire sign)
       %kick       [~ this]
       %watch-ack  [~ this]