diff --git a/lib/netstd/Tests/Thrift.PublicInterfaces.Compile.Tests/Thrift5253.thrift b/lib/netstd/Tests/Thrift.PublicInterfaces.Compile.Tests/Thrift5253.thrift
index bf77302..ee3df9b 100644
--- a/lib/netstd/Tests/Thrift.PublicInterfaces.Compile.Tests/Thrift5253.thrift
+++ b/lib/netstd/Tests/Thrift.PublicInterfaces.Compile.Tests/Thrift5253.thrift
@@ -32,14 +32,15 @@
 struct Client          { 1: optional i32 foo }
 struct IAsync          { 1: optional i32 foo }
 
+struct ReservedMemberName { 1: optional i32 Isset }
 
 service MyService{
     BrokenResult Broken( 1 : BrokenArgs  foo)
     WorksRslt     Works( 1 : WorksArrrgs foo)
 
-	InternalStructs InternalStructs( 1: InternalStructs foo)
-	AsyncProcessor  AsyncProcessor ( 1: AsyncProcessor  foo)
-	Client          Client         ( 1: Client  foo)
-	IAsync          IAsync         ( 1: IAsync  foo)
+    InternalStructs InternalStructs( 1: InternalStructs foo)
+    AsyncProcessor  AsyncProcessor ( 1: AsyncProcessor  foo)
+    Client          Client         ( 1: Client  foo)
+    IAsync          IAsync         ( 1: IAsync  foo)
 }