diff --git a/config/environment.rb b/config/environment.rb
index cf7425e..fa735f1 100644
--- a/config/environment.rb
+++ b/config/environment.rb
@@ -19,7 +19,10 @@ extra_controller_dirs = %w[
 ].map {|item| File.join(RAILS_ROOT, item) }
 
 def noosfero_session_secret
-  file = File.join(File.dirname(__FILE__), '/../tmp/session.secret')
+  require 'fileutils'
+  target_dir = File.join(File.dirname(__FILE__), '/../tmp')
+  FileUtils.mkdir_p(target_dir)
+  file = File.join(target_dir, 'session.secret')
   if !File.exists?(file)
     secret = (1..128).map { %w[0 1 2 3 4 5 6 7 8 9 a b c d e f][rand(16)] }.join('')
     File.open(file, 'w') do |f|
--
libgit2 0.21.2