diff --git a/tutorial/haxe/php.hxml b/tutorial/haxe/php.hxml
index 42bbf74..847da3b 100644
--- a/tutorial/haxe/php.hxml
+++ b/tutorial/haxe/php.hxml
@@ -29,11 +29,11 @@
 -php bin/php/
 -D php-front=Main-debug.php
 
+# libs
+-lib uuid
+
 #Add debug information
 -debug
 
 #dead code elimination : remove unused code
-#"-dce no" : do not remove unused code
-#"-dce std" : remove unused code in the std lib (default)
-#"-dce full" : remove all unused code
 -dce full