diff --git a/lib/redmine_git_hosting/hooks/display_repository_readme.rb b/lib/redmine_git_hosting/hooks/display_repository_readme.rb
index 59df2da8aa9..6c36cbe5d0e 100644
--- a/lib/redmine_git_hosting/hooks/display_repository_readme.rb
+++ b/lib/redmine_git_hosting/hooks/display_repository_readme.rb
@@ -55,7 +55,7 @@ def find_readme_file(repository, path, rev)
 
 
         def get_formatter(repository, readme_file, rev)
-          raw_readme_text = repository.cat(readme_file.path, rev)
+          raw_readme_text = Redmine::CodesetUtil.to_utf8_by_setting(repository.cat(readme_file.path, rev))
 
           if MARKDOWN_EXT.include?(File.extname(readme_file.path))
             formatter_name = Redmine::WikiFormatting.format_names.find { |name| name =~ /markdown/i }