diff --git a/content/document.js b/content/document.js
index 42625ba9848c..2eb0662bbbcb 100644
--- a/content/document.js
+++ b/content/document.js
@@ -448,8 +448,11 @@ function findAll({
           return false;
         }
 
+        const locale = filePath.replace(root, "").split(path.sep)[1];
+        if (!VALID_LOCALES.has(locale)) {
+          return false;
+        }
         if (locales.size) {
-          const locale = filePath.replace(root, "").split(path.sep)[1];
           if (!locales.get(locale)) {
             return false;
           }
diff --git a/content/translations.js b/content/translations.js
index f52ee4d0a65c..8ff07ebae0bf 100644
--- a/content/translations.js
+++ b/content/translations.js
@@ -15,6 +15,9 @@ function gatherTranslations() {
   for (const {
     metadata: { slug, locale, title },
   } of iter) {
+    if (!slug || !locale || !title) {
+      continue;
+    }
     const translation = {
       title,
       locale,