diff --git a/lib/pleroma/web/metadata/opengraph.ex b/lib/pleroma/web/metadata/opengraph.ex
index 357b80a2d..4033ec38f 100644
--- a/lib/pleroma/web/metadata/opengraph.ex
+++ b/lib/pleroma/web/metadata/opengraph.ex
@@ -121,4 +121,6 @@ defp build_attachments(%{data: %{"attachment" => attachments}}) do
       acc ++ rendered_tags
     end)
   end
+
+  defp build_attachments(_), do: []
 end
diff --git a/lib/pleroma/web/metadata/twitter_card.ex b/lib/pleroma/web/metadata/twitter_card.ex
index 040b872e7..9baf5ac97 100644
--- a/lib/pleroma/web/metadata/twitter_card.ex
+++ b/lib/pleroma/web/metadata/twitter_card.ex
@@ -116,6 +116,7 @@ defp build_attachments(id, %{data: %{"attachment" => attachments}}) do
       acc ++ rendered_tags
     end)
   end
+  defp build_attachments(_id, _object), do: []
 
   defp player_url(id) do
     Pleroma.Web.Router.Helpers.o_status_url(Pleroma.Web.Endpoint, :notice_player, id)