diff --git a/beautiful-racket-demo/jsonic-demo-2/main.rkt b/beautiful-racket-demo/jsonic-demo-2/main.rkt
index b252746..96e7049 100644
--- a/beautiful-racket-demo/jsonic-demo-2/main.rkt
+++ b/beautiful-racket-demo/jsonic-demo-2/main.rkt
@@ -2,7 +2,7 @@
 (module reader br
   (require "reader.rkt")
   (provide read-syntax get-info)
-  (define (get-info port mod line col pos)
+  (define (get-info port src-mod src-line src-col src-pos)
     (define (handle-query key default)
       (case key
         [(color-lexer)