diff --git a/app/Helpers/Invoice/InvoiceSum.php b/app/Helpers/Invoice/InvoiceSum.php
index 2aeb3e962194..1d05bcef7eee 100644
--- a/app/Helpers/Invoice/InvoiceSum.php
+++ b/app/Helpers/Invoice/InvoiceSum.php
@@ -244,7 +244,7 @@ class InvoiceSum
             if ($this->invoice->amount != $this->invoice->balance) {
                 // $paid_to_date = $this->invoice->amount - $this->invoice->balance;
 
-                $this->invoice->balance = Number::roundValue($this->getTotal(), $this->precision) - $this->invoice->paid_to_date;
+                $this->invoice->balance = Number::roundValue($this->getTotal(), $this->precision) - $this->invoice->paid_to_date; //21-02-2024 cannot use the calculated $paid_to_date here as it could send the balance backward.
             } else {
                 $this->invoice->balance = Number::roundValue($this->getTotal(), $this->precision);
             }