diff --git a/extra/parser-combinators/simple/simple.factor b/extra/parser-combinators/simple/simple.factor
index c5b84d86c6..3b59068dd6 100755
--- a/extra/parser-combinators/simple/simple.factor
+++ b/extra/parser-combinators/simple/simple.factor
@@ -1,8 +1,8 @@
 ! Copyright (C) 2006 Chris Double.
 ! See http://factorcode.org/license.txt for BSD license.
 USING: kernel strings math sequences lazy-lists words
-math.parser promises ;
-IN: parser-combinators 
+math.parser promises parser-combinators ;
+IN: parser-combinators.simple
 
 : 'digit' ( -- parser )
   [ digit? ] satisfy [ digit> ] <@ ;