diff --git a/lib/noosfero.rb b/lib/noosfero.rb
index b7fbc1e..e771fd7 100644
--- a/lib/noosfero.rb
+++ b/lib/noosfero.rb
@@ -27,6 +27,12 @@ module Noosfero
         yield(key, locales[key])
       end
     end
+    def with_locale(locale)
+      orig_locale = FastGettext.locale
+      FastGettext.set_locale(locale)
+      yield
+      FastGettext.set_locale(orig_locale)
+    end
   end
 
   def self.identifier_format
diff --git a/test/unit/noosfero_test.rb b/test/unit/noosfero_test.rb
index 1987ff3..ffd9e5e 100644
--- a/test/unit/noosfero_test.rb
+++ b/test/unit/noosfero_test.rb
@@ -49,4 +49,11 @@ class NoosferoTest < Test::Unit::TestCase
     assert_match /^#{Noosfero.identifier_format}$/, '129812startingwithnumber'
   end
 
+  should 'change locale temporarily' do
+    Noosfero.with_locale('pt') do
+      assert_equal 'pt', FastGettext.locale
+    end
+    assert_equal 'en', FastGettext.locale
+  end
+
 end
--
libgit2 0.21.2