diff --git a/app/serializers/activitypub/image_serializer.rb b/app/serializers/activitypub/image_serializer.rb
index f8484c87f8647981c9a35f94fd452e6b724898ab..3c08f77e8313985ff63d42d13dd0870efc2c4998 100644
--- a/app/serializers/activitypub/image_serializer.rb
+++ b/app/serializers/activitypub/image_serializer.rb
@@ -19,7 +19,7 @@ class ActivityPub::ImageSerializer < ActiveModel::Serializer
   end
 
   def focal_point?
-    object.respond_to?(:meta) && object.meta['focus'].is_a?(Hash)
+    object.respond_to?(:meta) && object.meta.is_a?(Hash) && object.meta['focus'].is_a?(Hash)
   end
 
   def focal_point