diff --git a/src/database/mongo/hash.js b/src/database/mongo/hash.js
index b428d9926b..e430e94786 100644
--- a/src/database/mongo/hash.js
+++ b/src/database/mongo/hash.js
@@ -194,14 +194,13 @@ module.exports = function (module) {
 		if (!key || (Array.isArray(key) && !key.length) || !Array.isArray(fields) || !fields.length) {
 			return;
 		}
-		fields = fields.filter(Boolean);
+		fields = fields.map(helpers.fieldToString).filter(Boolean);
 		if (!fields.length) {
 			return;
 		}
 
 		const data = {};
 		fields.forEach((field) => {
-			field = helpers.fieldToString(field);
 			data[field] = '';
 		});
 		if (Array.isArray(key)) {
diff --git a/test/database/hash.js b/test/database/hash.js
index 947ac2b2d3..ab422e1ae6 100644
--- a/test/database/hash.js
+++ b/test/database/hash.js
@@ -521,6 +521,7 @@ describe('Hash methods', () => {
 
 		it('should not error if fields is empty array', async () => {
 			await db.deleteObjectFields('someKey', []);
+			await db.deleteObjectField('someKey', []);
 		});
 
 		it('should not error if key is undefined', (done) => {