diff --git a/lib/noosfero/version.rb b/lib/noosfero/version.rb
index d9c170a..c3b36c3 100644
--- a/lib/noosfero/version.rb
+++ b/lib/noosfero/version.rb
@@ -5,14 +5,16 @@ 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') }
-  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
+  git_version = Dir.chdir(root) { `git describe --tags 2>/dev/null`.to_s.strip.sub('-rc', '~rc') }
+  if git_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
-  version_sort.close
 end
--
libgit2 0.21.2