diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index bb76f948f3a..cb10fcce1c4 100644
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -393,3 +393,4 @@ erpnext.patches.v15_0.sync_auto_reconcile_config
 execute:frappe.db.set_single_value("Accounts Settings", "exchange_gain_loss_posting_date", "Payment")
 erpnext.patches.v14_0.disable_add_row_in_gross_profit
 erpnext.patches.v15_0.set_difference_amount_in_asset_value_adjustment
+erpnext.patches.v14_0.update_posting_datetime
diff --git a/erpnext/patches/v14_0/update_posting_datetime.py b/erpnext/patches/v14_0/update_posting_datetime.py
new file mode 100644
index 00000000000..cb28193b74b
--- /dev/null
+++ b/erpnext/patches/v14_0/update_posting_datetime.py
@@ -0,0 +1,10 @@
+import frappe
+
+
+def execute():
+	frappe.db.sql(
+		"""
+		UPDATE `tabStock Ledger Entry`
+			SET posting_datetime = timestamp(posting_date, posting_time)
+	"""
+	)
diff --git a/erpnext/stock/utils.py b/erpnext/stock/utils.py
index 6369562a62d..f1055b114cf 100644
--- a/erpnext/stock/utils.py
+++ b/erpnext/stock/utils.py
@@ -663,4 +663,4 @@ def get_combine_datetime(posting_date, posting_time):
 	if isinstance(posting_time, datetime.timedelta):
 		posting_time = (datetime.datetime.min + posting_time).time()
 
-	return datetime.datetime.combine(posting_date, posting_time).replace(microsecond=0)
+	return datetime.datetime.combine(posting_date, posting_time)