diff --git a/test/unit/lib/redmine/scm/adapters/cvs_adapter_test.rb b/test/unit/lib/redmine/scm/adapters/cvs_adapter_test.rb
index eb426a0da..b539836ad 100644
--- a/test/unit/lib/redmine/scm/adapters/cvs_adapter_test.rb
+++ b/test/unit/lib/redmine/scm/adapters/cvs_adapter_test.rb
@@ -47,6 +47,22 @@ begin
         assert_equal entries[0].lastrev.time, Time.gm(2007, 12, 13, 16, 27, 22)
       end
 
+      def test_path_encoding_default_utf8
+        adpt1 = Redmine::Scm::Adapters::CvsAdapter.new(
+                                  MODULE_NAME,
+                                  REPOSITORY_PATH
+                                )
+        assert_equal "UTF-8", adpt1.path_encoding
+        adpt2 = Redmine::Scm::Adapters::CvsAdapter.new(
+                                  MODULE_NAME,
+                                  REPOSITORY_PATH,
+                                  nil,
+                                  nil,
+                                  ""
+                                )
+        assert_equal "UTF-8", adpt2.path_encoding
+      end
+
       private
 
       def test_scm_version_for(scm_command_version, version)