diff --git a/erpnext/accounts/doctype/purchase_invoice/test_purchase_invoice.py b/erpnext/accounts/doctype/purchase_invoice/test_purchase_invoice.py
index 5336c11eb95929cc704f78914abc7e3345f52055..93dac9039ea5b180330ddc87bc2cb424a1978758 100644
--- a/erpnext/accounts/doctype/purchase_invoice/test_purchase_invoice.py
+++ b/erpnext/accounts/doctype/purchase_invoice/test_purchase_invoice.py
@@ -2112,7 +2112,7 @@ class TestPurchaseInvoice(IntegrationTestCase, StockTestMixin):
 			1,
 		)
 		pi = make_pi_from_pr(pr.name)
-		self.assertEqual(pi.payment_schedule[0].payment_amount, 2500)
+		self.assertEqual(pi.payment_schedule[0].payment_amount, 1000)
 
 		automatically_fetch_payment_terms(enable=0)
 		frappe.db.set_value(
diff --git a/erpnext/controllers/accounts_controller.py b/erpnext/controllers/accounts_controller.py
index 81130f51ad528d841ccccbd8123743c2a83501f1..7548a8f30cb817ed85623b89714dd9a30e799c68 100644
--- a/erpnext/controllers/accounts_controller.py
+++ b/erpnext/controllers/accounts_controller.py
@@ -2451,7 +2451,9 @@ class AccountsController(TransactionBase):
 				and automatically_fetch_payment_terms
 				and self.linked_order_has_payment_terms(po_or_so, fieldname, doctype)
 			):
-				self.fetch_payment_terms_from_order(po_or_so, doctype)
+				self.fetch_payment_terms_from_order(
+					po_or_so, doctype, grand_total, base_grand_total, automatically_fetch_payment_terms
+				)
 				if self.get("payment_terms_template"):
 					self.ignore_default_payment_terms_template = 1
 			elif self.get("payment_terms_template"):
@@ -2497,7 +2499,9 @@ class AccountsController(TransactionBase):
 						d.payment_amount * self.get("conversion_rate"), d.precision("base_payment_amount")
 					)
 		else:
-			self.fetch_payment_terms_from_order(po_or_so, doctype)
+			self.fetch_payment_terms_from_order(
+				po_or_so, doctype, grand_total, base_grand_total, automatically_fetch_payment_terms
+			)
 			self.ignore_default_payment_terms_template = 1
 
 	def get_order_details(self):
@@ -2537,7 +2541,9 @@ class AccountsController(TransactionBase):
 	def linked_order_has_payment_schedule(self, po_or_so):
 		return frappe.get_all("Payment Schedule", filters={"parent": po_or_so})
 
-	def fetch_payment_terms_from_order(self, po_or_so, po_or_so_doctype):
+	def fetch_payment_terms_from_order(
+		self, po_or_so, po_or_so_doctype, grand_total, base_grand_total, automatically_fetch_payment_terms
+	):
 		"""
 		Fetch Payment Terms from Purchase/Sales Order on creating a new Purchase/Sales Invoice.
 		"""
@@ -2553,12 +2559,25 @@ class AccountsController(TransactionBase):
 				"invoice_portion": schedule.invoice_portion,
 				"mode_of_payment": schedule.mode_of_payment,
 				"description": schedule.description,
-				"payment_amount": schedule.payment_amount,
-				"base_payment_amount": schedule.base_payment_amount,
-				"outstanding": schedule.outstanding,
 				"paid_amount": schedule.paid_amount,
 			}
 
+			if automatically_fetch_payment_terms:
+				payment_schedule["payment_amount"] = flt(
+					grand_total * flt(payment_schedule["invoice_portion"]) / 100,
+					schedule.precision("payment_amount"),
+				)
+				payment_schedule["base_payment_amount"] = flt(
+					base_grand_total * flt(payment_schedule["invoice_portion"]) / 100,
+					schedule.precision("base_payment_amount"),
+				)
+				payment_schedule["outstanding"] = payment_schedule["payment_amount"]
+			else:
+				payment_schedule["base_payment_amount"] = flt(
+					schedule.base_payment_amount * self.get("conversion_rate"),
+					schedule.precision("base_payment_amount"),
+				)
+
 			if schedule.discount_type == "Percentage":
 				payment_schedule["discount_type"] = schedule.discount_type
 				payment_schedule["discount"] = schedule.discount