diff --git a/compiler/cpp/src/parse/t_program.h b/compiler/cpp/src/parse/t_program.h
index dc8c80c..66f0620 100644
--- a/compiler/cpp/src/parse/t_program.h
+++ b/compiler/cpp/src/parse/t_program.h
@@ -152,6 +152,14 @@
     return java_package_;
   }
 
+  void set_csharp_namespace(std::string csharp_namespace) {
+    csharp_namespace_ = csharp_namespace;
+  }
+
+  const std::string& get_csharp_namespace() const {
+    return csharp_namespace_;
+  }
+
   void set_xsd_namespace(std::string xsd_namespace) {
     xsd_namespace_ = xsd_namespace;
   }
@@ -267,6 +275,9 @@
   std::string smalltalk_category_;
   // Smalltalk prefix
   std::string smalltalk_prefix_;
+
+  // C# namespace
+  std::string csharp_namespace_;
 };
 
 #endif