--- lib/redmine/scm/adapters/git_adapter.rb.orig	2013-07-14 19:51:06.000000000 +0300
+++ lib/redmine/scm/adapters/git_adapter.rb	2013-09-17 14:26:12.000000000 +0300
@@ -353,7 +353,7 @@
                                     :identifier => identifier,
                                     :revision   => identifier,
                                     :scmid      => identifier,
-                                    :author     => authors_by_commit[identifier]
+                                    :author     => authors_by_commit[identifier].force_encoding('UTF-8')
                                     ))
               identifier = ''
               author = ''