diff --git a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
index 5cf76728e62..a56411ad1fc 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
@@ -207,7 +207,7 @@ class SalesInvoice(SellingController):
 			for payment in self.payments:
 				total_amount_in_payments += payment.amount
 			invoice_total = self.rounded_total or self.grand_total
-			if total_amount_in_payments < invoice_total:
+			if flt(total_amount_in_payments, self.precision("grand_total")) < invoice_total:
 				frappe.throw(_("Total payments amount can't be greater than {}".format(-invoice_total)))
 
 	def validate_pos_paid_amount(self):