diff --git a/compiler/cpp/src/generate/t_csharp_generator.cc b/compiler/cpp/src/generate/t_csharp_generator.cc
index 676125c..45370a4 100644
--- a/compiler/cpp/src/generate/t_csharp_generator.cc
+++ b/compiler/cpp/src/generate/t_csharp_generator.cc
@@ -1399,7 +1399,7 @@
 
   t_program* program = ttype->get_program();
   if (program != NULL && program != program_) {
-    string ns = program->get_java_package();
+    string ns = program->get_csharp_namespace();
     if (!ns.empty()) {
       return ns + "." + ttype->get_name();
     }