diff --git a/tutorial/tutorial.thrift b/tutorial/tutorial.thrift
index f8c5320..e027546 100644
--- a/tutorial/tutorial.thrift
+++ b/tutorial/tutorial.thrift
@@ -62,6 +62,8 @@
  * Thrift files can namespace, package, or prefix their output in various
  * target languages.
  */
+
+namespace cl tutorial
 namespace cpp tutorial
 namespace d tutorial
 namespace dart tutorial