diff --git a/test/detail/test_type_name.cpp b/test/detail/test_type_name.cpp
index 4c416b7..20bdac1 100644
--- a/test/detail/test_type_name.cpp
+++ b/test/detail/test_type_name.cpp
@@ -10,8 +10,6 @@
 #include <boost/test/auto_unit_test.hpp>
 #include <boost/lexical_cast.hpp>
 
-struct my_type_from_default_namespace {};
-
 namespace
 {
     template< typename T >
@@ -21,6 +19,8 @@ namespace
     }
 }
 
+struct my_type_from_default_namespace {};
+
 BOOST_AUTO_TEST_CASE( name_of_type_from_default_namespace_is_extracted )
 {
     BOOST_CHECK_EQUAL( "my_type_from_default_namespace", to_string( my_type_from_default_namespace() ) );