diff --git a/lib/helpers/model/castBulkWrite.js b/lib/helpers/model/castBulkWrite.js
index 01e3cdd36c4..1afb36987fa 100644
--- a/lib/helpers/model/castBulkWrite.js
+++ b/lib/helpers/model/castBulkWrite.js
@@ -70,7 +70,7 @@ module.exports = function castBulkWrite(originalModel, op, options) {
         _addDiscriminatorToObject(schema, op['updateOne']['filter']);
 
         const doInitTimestamps = getTimestampsOpt(op['updateOne'], options);
-        
+
         if (model.schema.$timestamps != null && doInitTimestamps) {
           const createdAt = model.schema.$timestamps.createdAt;
           const updatedAt = model.schema.$timestamps.updatedAt;