diff --git a/test/unit/lib/redmine/scm/adapters/filesystem_adapter_test.rb b/test/unit/lib/redmine/scm/adapters/filesystem_adapter_test.rb
index 7cc0cfd4d..0f4511d5a 100644
--- a/test/unit/lib/redmine/scm/adapters/filesystem_adapter_test.rb
+++ b/test/unit/lib/redmine/scm/adapters/filesystem_adapter_test.rb
@@ -31,6 +31,21 @@ class FilesystemAdapterTest < ActiveSupport::TestCase
       # Revision number is ignored
       assert_equal "TEST CAT\n", @adapter.cat("/test", 1)
     end
+
+    def test_path_encoding_default_utf8
+      adpt1 = Redmine::Scm::Adapters::FilesystemAdapter.new(
+                                  REPOSITORY_PATH
+                                )
+      assert_equal "UTF-8", adpt1.path_encoding
+      adpt2 = Redmine::Scm::Adapters::FilesystemAdapter.new(
+                                  REPOSITORY_PATH,
+                                  nil,
+                                  nil,
+                                  nil,
+                                  ""
+                                )
+      assert_equal "UTF-8", adpt2.path_encoding
+    end
   else
     puts "Filesystem test repository NOT FOUND. Skipping unit tests !!! See doc/RUNNING_TESTS."
     def test_fake; assert true end