diff --git a/lib/urlify.js b/lib/urlify.js
index cd6d089..0c6ebc3 100644
--- a/lib/urlify.js
+++ b/lib/urlify.js
@@ -122,8 +122,11 @@ downcode= function( slug )
     return downcoded;
 }
 
+//This code is not global accesible:
+//function URLify(s, num_chars) {
 
-function URLify(s, num_chars) {
+//This code IS global accesible:
+URLify = function (s, num_chars) {
     // changes, e.g., "Petty theft" to "petty_theft"
     // remove all these words from the string before urlifying
     s = downcode(s);