diff --git a/erpnext/selling/doctype/quotation/quotation.py b/erpnext/selling/doctype/quotation/quotation.py
index 61969fe8a918..8ff681b04813 100644
--- a/erpnext/selling/doctype/quotation/quotation.py
+++ b/erpnext/selling/doctype/quotation/quotation.py
@@ -299,6 +299,7 @@ def set_missing_values(source, target):
 			)
 
 		target.flags.ignore_permissions = ignore_permissions
+		target.delivery_date = nowdate()
 		target.run_method("set_missing_values")
 		target.run_method("calculate_taxes_and_totals")
 
@@ -306,6 +307,7 @@ def update_item(obj, target, source_parent):
 		balance_qty = obj.qty - ordered_items.get(obj.item_code, 0.0)
 		target.qty = balance_qty if balance_qty > 0 else 0
 		target.stock_qty = flt(target.qty) * flt(obj.conversion_factor)
+		target.delivery_date = nowdate()
 
 		if obj.against_blanket_order:
 			target.against_blanket_order = obj.against_blanket_order
diff --git a/erpnext/selling/doctype/quotation/test_quotation.py b/erpnext/selling/doctype/quotation/test_quotation.py
index 67f6518657eb..5623a12cdda7 100644
--- a/erpnext/selling/doctype/quotation/test_quotation.py
+++ b/erpnext/selling/doctype/quotation/test_quotation.py
@@ -60,9 +60,9 @@ def test_make_sales_order_with_different_currency(self):
 		sales_order = make_sales_order(quotation.name)
 		sales_order.currency = "USD"
 		sales_order.conversion_rate = 20.0
-		sales_order.delivery_date = "2019-01-01"
 		sales_order.naming_series = "_T-Quotation-"
 		sales_order.transaction_date = nowdate()
+		sales_order.delivery_date = nowdate()
 		sales_order.insert()
 
 		self.assertEqual(sales_order.currency, "USD")
@@ -644,8 +644,6 @@ def make_quotation(**args):
 			},
 		)
 
-	qo.delivery_date = add_days(qo.transaction_date, 10)
-
 	if not args.do_not_save:
 		qo.insert()
 		if not args.do_not_submit:
diff --git a/erpnext/selling/doctype/sales_order/sales_order.py b/erpnext/selling/doctype/sales_order/sales_order.py
index 92b469c62297..97cccb136202 100755
--- a/erpnext/selling/doctype/sales_order/sales_order.py
+++ b/erpnext/selling/doctype/sales_order/sales_order.py
@@ -158,7 +158,8 @@ def validate_delivery_date(self):
 						frappe.msgprint(
 							_("Expected Delivery Date should be after Sales Order Date"),
 							indicator="orange",
-							title=_("Warning"),
+							title=_("Invalid Delivery Date"),
+							raise_exception=True,
 						)
 			else:
 				frappe.throw(_("Please enter Delivery Date"))