diff --git a/tutorial/tutorial.thrift b/tutorial/tutorial.thrift
index 3a1b7d2..8a72f60 100755
--- a/tutorial/tutorial.thrift
+++ b/tutorial/tutorial.thrift
@@ -48,7 +48,7 @@
 namespace java tutorial
 php_namespace tutorial
 perl_package tutorial
-smalltalk_category Thrift-Tutorial
+namespace smalltalk.category Thrift.Tutorial
 
 /**
  * Thrift lets you do typedefs to get pretty names for your types. Standard