diff --git a/erpnext/stock/serial_batch_bundle.py b/erpnext/stock/serial_batch_bundle.py
index bea112facf9..e3b54744e7d 100644
--- a/erpnext/stock/serial_batch_bundle.py
+++ b/erpnext/stock/serial_batch_bundle.py
@@ -11,6 +11,7 @@ from erpnext.stock.deprecated_serial_batch import (
 	DeprecatedBatchNoValuation,
 	DeprecatedSerialNoValuation,
 )
+from erpnext.stock.utils import get_combine_datetime
 from erpnext.stock.valuation import round_off_if_near_zero
 
 
@@ -1056,6 +1057,10 @@ class SerialBatchCreation:
 		self.__dict__.update(item_details)
 
 	def set_other_details(self):
+		if not self.get("posting_datetime"):
+			if self.get("posting_date") and self.get("posting_time"):
+				self.posting_datetime = get_combine_datetime(self.posting_date, self.posting_time)
+
 		if not self.get("posting_datetime"):
 			self.posting_datetime = now()
 			self.__dict__["posting_datetime"] = self.posting_datetime