diff --git a/collects/htdp/hangman-world.ss b/collects/htdp/hangman-world.ss
index 03b8995188..18b6e74101 100644
--- a/collects/htdp/hangman-world.ss
+++ b/collects/htdp/hangman-world.ss
@@ -4,7 +4,8 @@
    3. compare error messages for word to beginner language 
    4. change messages at end to just display the word 
 |#
-(module hangman-world scheme
+#lang scheme
+
   (require htdp/world
            htdp/error
            lang/prim
@@ -155,5 +156,4 @@
            vip
            was
            zoo)))
-  )