diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 148d07b3e..ac7cc3c50 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -1474,7 +1474,7 @@ module ApplicationHelper
   end
 
   def lang_options_for_select(blank=true)
-    (blank ? [["(auto)", ""]] : []) + languages_options
+    (blank ? [["(#{l('label_option_auto_lang')})", ""]] : []) + languages_options
   end
 
   def labelled_form_for(*args, &proc)
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 672d4d530..2bbd776a3 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -879,6 +879,7 @@ en:
   label_diff_inline: inline
   label_diff_side_by_side: side by side
   label_options: Options
+  label_option_auto_lang: auto
   label_copy_workflow_from: Copy workflow from
   label_permissions_report: Permissions report
   label_watched_issues: Watched issues
diff --git a/config/locales/fa.yml b/config/locales/fa.yml
index 6846c3f7a..7b4efe1b1 100644
--- a/config/locales/fa.yml
+++ b/config/locales/fa.yml
@@ -875,6 +875,7 @@ fa:
   label_diff_inline: هم‌ردیف
   label_diff_side_by_side: پهلوبه‌پهلو
   label_options: گزینه‌ها
+  label_option_auto_lang: خودکار
   label_copy_workflow_from: رونویسی گردش کار از روی
   label_permissions_report: گزارش دست‌رسی‌ها
   label_watched_issues: مسئله‌های نظارت‌شده