diff --git a/compiler/cpp/test/plugin/conversion_test.cc b/compiler/cpp/test/plugin/conversion_test.cc
index e73aa16..3c8d812 100644
--- a/compiler/cpp/test/plugin/conversion_test.cc
+++ b/compiler/cpp/test/plugin/conversion_test.cc
@@ -277,12 +277,12 @@
     BOOST_CHECK_EQUAL(sut->get_map().size(), sut2->get_map().size());
     {
       std::map<t_const_value::t_const_value_type, t_const_value::t_const_value_type> sut_values;
-      for (std::map<t_const_value*, t_const_value*>::const_iterator it = sut->get_map().begin();
+      for (std::map<t_const_value*, t_const_value*, t_const_value::value_compare>::const_iterator it = sut->get_map().begin();
            it != sut->get_map().end(); it++) {
         sut_values[it->first->get_type()] = it->second->get_type();
       }
       std::map<t_const_value::t_const_value_type, t_const_value::t_const_value_type> sut2_values;
-      for (std::map<t_const_value*, t_const_value*>::const_iterator it = sut2->get_map().begin();
+      for (std::map<t_const_value*, t_const_value*, t_const_value::value_compare>::const_iterator it = sut2->get_map().begin();
            it != sut2->get_map().end(); it++) {
         sut2_values[it->first->get_type()] = it->second->get_type();
       }