diff --git a/tutorial/shared.thrift b/tutorial/shared.thrift
index 475e7f8..acb107b 100644
--- a/tutorial/shared.thrift
+++ b/tutorial/shared.thrift
@@ -25,6 +25,7 @@
 namespace cpp shared
 namespace java shared
 namespace perl shared
+namespace php shared
 
 struct SharedStruct {
   1: i32 key