diff --git a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py
index 37d1ec6..9f1224d 100644
--- a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py
+++ b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py
@@ -1642,12 +1642,8 @@
 				elif outstanding_amount > 0 and getdate(self.due_date) >= getdate():
 					self.status = "Unpaid"
 				# Check if outstanding amount is 0 due to debit note issued against invoice
-				elif (
-					outstanding_amount <= 0
-					and self.is_return == 0
-					and frappe.db.get_value(
-						"Purchase Invoice", {"is_return": 1, "return_against": self.name, "docstatus": 1}
-					)
+				elif self.is_return == 0 and frappe.db.get_value(
+					"Purchase Invoice", {"is_return": 1, "return_against": self.name, "docstatus": 1}
 				):
 					self.status = "Debit Note Issued"
 				elif self.is_return == 1:
diff --git a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
index d03afe3..fba2fa7 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
@@ -1730,12 +1730,8 @@
 				elif outstanding_amount > 0 and getdate(self.due_date) >= getdate():
 					self.status = "Unpaid"
 				# Check if outstanding amount is 0 due to credit note issued against invoice
-				elif (
-					outstanding_amount <= 0
-					and self.is_return == 0
-					and frappe.db.get_value(
-						"Sales Invoice", {"is_return": 1, "return_against": self.name, "docstatus": 1}
-					)
+				elif self.is_return == 0 and frappe.db.get_value(
+					"Sales Invoice", {"is_return": 1, "return_against": self.name, "docstatus": 1}
 				):
 					self.status = "Credit Note Issued"
 				elif self.is_return == 1: