diff --git a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
index 8742300..4f80b78 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
@@ -78,6 +78,7 @@
 			self.so_dn_required()
 
 		self.validate_proj_cust()
+		self.validate_pos_return()
 		self.validate_with_previous_doc()
 		self.validate_uom_is_integer("stock_uom", "stock_qty")
 		self.validate_uom_is_integer("uom", "qty")
@@ -199,6 +200,16 @@
 		if "Healthcare" in active_domains:
 			manage_invoice_submit_cancel(self, "on_submit")
 
+	def validate_pos_return(self):
+
+		if self.is_pos and self.is_return:
+			total_amount_in_payments = 0
+			for payment in self.payments:
+				total_amount_in_payments += payment.amount
+
+			if total_amount_in_payments < self.rounded_total:
+				frappe.throw(_("Total payments amount can't be greater than {}".format(-self.rounded_total)))
+
 	def validate_pos_paid_amount(self):
 		if len(self.payments) == 0 and self.is_pos:
 			frappe.throw(_("At least one mode of payment is required for POS invoice."))