diff --git a/src/database/redis/sorted.js b/src/database/redis/sorted.js
index 6a38b5eced..07a30bab05 100644
--- a/src/database/redis/sorted.js
+++ b/src/database/redis/sorted.js
@@ -310,7 +310,7 @@ module.exports = function (module) {
 
 		const returnData = [];
 		let done = false;
-		const seen = {};
+		const seen = Object.create(null);
 		do {
 			/* eslint-disable no-await-in-loop */
 			const res = await module.client.zscan(params.key, cursor, 'MATCH', params.match, 'COUNT', 5000);