diff --git a/gib-gab-gob/rps.scm b/gib-gab-gob/rps.scm
index d615121..cd92964 100644
--- a/gib-gab-gob/rps.scm
+++ b/gib-gab-gob/rps.scm
@@ -51,7 +51,8 @@
   (define initiator ($ mycapn 'enliven init-sref))
   (define joiner (spawn ^game-joiner initiator ^game-controller))
   (on (<- initiator 'register-opponent joiner ($ joiner 'get-sealed-pick))
-      (lambda (_) (<- initiator 'try-transition))))
+      (lambda (_) (<- initiator 'try-transition)))
+  joiner)
 
 (define (^game-joiner bcom initiator ^game-controller)
   (define-values (seal-pick unseal-pick my-pick?)