diff --git a/lib/noosfero/version.rb b/lib/noosfero/version.rb
index 95202ee..d9c170a 100644
--- a/lib/noosfero/version.rb
+++ b/lib/noosfero/version.rb
@@ -6,7 +6,13 @@ end
 root = File.expand_path(File.dirname(__FILE__) + '/../..')
 if File.exist?(File.join(root, '.git')) && system('which git >/dev/null')
   git_version = Dir.chdir(root) { `git describe --tags`.to_s.strip.sub('-rc', '~rc') }
-  if git_version > Noosfero::VERSION
+  version_sort = IO.popen(['sort', '--version-sort'], 'w+')
+  version_sort.puts(Noosfero::VERSION)
+  version_sort.puts(git_version)
+  version_sort.close_write
+  new_version = version_sort.readlines.last.strip
+  if new_version != Noosfero::VERSION
     Noosfero::VERSION.clear << git_version
   end
+  version_sort.close
 end
--
libgit2 0.21.2