Merge c37c7fb933 into 8a979690a7

server/helpers/page.js

@@ -143,11 +143,18 @@ module.exports = {
     }
     const result = localeFolderRegex.exec(meta.path)
     if (result[1]) {
+      const extractedLocale = result[1].replace('/', '')
+      const knownLocales = new Set([
+        WIKI.config.lang.code,
+        ...(WIKI.config.lang.namespaces || [])
+      ])
+      if (knownLocales.has(extractedLocale)) {
         meta = {
-        locale: result[1].replace('/', ''),
+          locale: extractedLocale,
           path: result[2]
         }
       }
+    }
     return meta
   }
 }