diff --git a/syndicate/actor.rkt b/syndicate/actor.rkt
index 67af5ce..5625af2 100644
--- a/syndicate/actor.rkt
+++ b/syndicate/actor.rkt
@@ -121,7 +121,10 @@
 
 (struct turn (id
               active-facet
-              [queues #:mutable]))
+              [queues #:mutable])
+  #:methods gen:custom-write
+  [(define (write-proc t port mode)
+     (fprintf port "#<turn:~a~a>" (turn-id t) (if (turn-committed? t) ":committed" "")))])
 
 ;;---------------------------------------------------------------------------