diff --git a/app/models/i18n_content_translation.rb b/app/models/i18n_content_translation.rb
index 76447d83e..2d6fb2b2b 100644
--- a/app/models/i18n_content_translation.rb
+++ b/app/models/i18n_content_translation.rb
@@ -1,5 +1,5 @@
 class I18nContentTranslation < ActiveRecord::Base
   def self.existing_languages
-    self.select(:locale).uniq.map{ |l| l.locale.to_sym }.to_a
+    self.select(:locale).distinct.map { |l| l.locale.to_sym }.to_a
   end
 end