diff --git a/shared/languages.js b/shared/languages.js
index ce076467..36cfb2aa 100644
--- a/shared/languages.js
+++ b/shared/languages.js
@@ -93,6 +93,11 @@ const ADDITIONAL_LANGUAGES = [
     name: 'Romansh Sursilvan',
     nativeName: 'romontsch sursilvan',
   },
+  {
+    code: 'rm-vallader',
+    name: 'Romansh Vallader',
+    nativeName: 'romontsch vallader',
+  },
   {
     code: 'sah',
     name: 'Sakha',