diff --git a/fixtures/queryer.json b/fixtures/queryer.json
index 93c08e9..5d790bb 100644
--- a/fixtures/queryer.json
+++ b/fixtures/queryer.json
@@ -2670,7 +2670,7 @@
               "      WHERE",
               "        NOT entity_3.archived",
               "        AND attachment_4.kind = 'cover'",
-              "        AND attachment_4.attachable_id = entity_1.id",
+              "        AND attachment_4.attachable_id = entity_1.id LIMIT 1",
               "    ),",
               "    'cover_attachments', (",
               "      SELECT COALESCE(jsonb_agg(jsonb_build_object(",