diff --git a/lib/routing_filter/locale.rb b/lib/routing_filter/locale.rb
index be231c0..5e86701 100644
--- a/lib/routing_filter/locale.rb
+++ b/lib/routing_filter/locale.rb
@@ -26,8 +26,9 @@ def around_generate(*args, &block)
       locale = args.extract_options!.delete(:locale) || I18n.locale
       returning yield do |result|
         if locale.to_sym != @@default_locale
-          result.sub!(%r(^(http.?://[^/]*)?(.*))){ "#{$1}/#{locale}#{$2}" }
-        end 
+          target = result.is_a?(Array) ? result.first : result
+          target.sub!(%r(^(http.?://[^/]*)?(.*))){ "#{$1}/#{locale}#{$2}" }
+<        end 
       end
     end
   end