diff --git a/api-server/server/utils/constants.js b/api-server/server/utils/constants.js
index ee2faf92ff..db84d7d404 100644
--- a/api-server/server/utils/constants.js
+++ b/api-server/server/utils/constants.js
@@ -87,6 +87,39 @@ let blocklist = [
   'username',
   'wiki',
 
+  // reserved paths for localizations
+  'afrikaans',
+  'arabic',
+  'bengali',
+  'catalan',
+  'chinese',
+  'czech',
+  'danish',
+  'dutch',
+  'espanol',
+  'finnish',
+  'french',
+  'german',
+  'greek',
+  'hebrew',
+  'hindi',
+  'hungarian',
+  'italian',
+  'japanese',
+  'korean',
+  'norwegian',
+  'polish',
+  'portuguese',
+  'romanian',
+  'russian',
+  'serbian',
+  'spanish',
+  'swahili',
+  'swedish',
+  'turkish',
+  'ukrainian',
+  'vietnamese',
+
   // some more names from https://github.com/marteinn/The-Big-Username-Blacklist-JS/blob/master/src/list.js
   '.htaccess',
   '.htpasswd',