diff --git a/repl-server.rkt b/repl-server.rkt
index 5e44604..3455512 100644
--- a/repl-server.rkt
+++ b/repl-server.rkt
@@ -84,7 +84,7 @@
 
 (define (get-user-state username)
   (when (not (hash-has-key? *user-states* username))
-    (let* ((sb (make-evaluator 'racket))
+    (let* ((sb (make-evaluator 'racket/base))
 	   (ns (call-in-sandbox-context sb current-namespace)))
       (parameterize ((current-namespace ns))
 	(namespace-set-variable-value! 'help help)