diff --git a/app/models/metadata_locales.rb b/app/models/metadata_locales.rb
index 2e9080c9..3790b944 100644
--- a/app/models/metadata_locales.rb
+++ b/app/models/metadata_locales.rb
@@ -44,6 +44,6 @@ class MetadataLocales < MetadataHasAndBelongsToMany
   def posts
     other_locales.map do |locale|
       site.posts(lang: locale).where(layout: post.layout.value)
-    end.reduce(&:concat)
+    end.reduce(&:concat) || PostRelation.new
   end
 end