diff --git a/tutorial/shared.thrift b/tutorial/shared.thrift
index 795e9cb..3c6a69d 100644
--- a/tutorial/shared.thrift
+++ b/tutorial/shared.thrift
@@ -22,6 +22,7 @@
  * these definitions.
  */
 
+namespace cl shared
 namespace cpp shared
 namespace d share // "shared" would collide with the eponymous D keyword.
 namespace dart shared
diff --git a/tutorial/tutorial.thrift b/tutorial/tutorial.thrift
index 6e33130..f1e2912 100644
--- a/tutorial/tutorial.thrift
+++ b/tutorial/tutorial.thrift
@@ -63,6 +63,7 @@
  * target languages.
  */
 
+namespace cl tutorial
 namespace cpp tutorial
 namespace d tutorial
 namespace dart tutorial