diff --git a/repl-server.rkt b/repl-server.rkt
index 1e08032..68511df 100644
--- a/repl-server.rkt
+++ b/repl-server.rkt
@@ -25,6 +25,7 @@
 (define *environments* (make-hash))
 
 (define *interaction* (make-room 'interaction))
+(spy-on *interaction*)
 
 (define *interaction-handle* (make-parameter #f))