diff --git a/lib/noosfero/core_ext/string.rb b/lib/noosfero/core_ext/string.rb
index 94abad4..3a8f40c 100644
--- a/lib/noosfero/core_ext/string.rb
+++ b/lib/noosfero/core_ext/string.rb
@@ -27,7 +27,7 @@ class String
   # Don't abuse this method.
   def transliterate
 
-    new = self.clone
+    new = self.dup
     TRANSLITERATIONS.each { |from,to|
       from.each { |seq|
         new.gsub!(seq, to)
--
libgit2 0.21.2