diff --git a/invoices.php b/invoices.php
index 45abb016..5f59a92c 100644
--- a/invoices.php
+++ b/invoices.php
@@ -61,7 +61,7 @@ $sql_total_overdue_partial_amount = mysqli_query($mysqli, "SELECT SUM(payment_am
 $row = mysqli_fetch_array($sql_total_overdue_partial_amount);
 $total_overdue_partial_amount = floatval($row['total_overdue_partial_amount']);
 
-$sql_total_overdue_amount = mysqli_query($mysqli, "SELECT SUM(invoice_amount) AS total_overdue_amount FROM invoices WHERE invoice_status NOT LIKE 'Draft' AND invoice_status NOT LIKE 'Paid' AND invoice_status NOT LIKE 'Cancelled' AND invoice_due < CURDATE() $client_query");
+$sql_total_overdue_amount = mysqli_query($mysqli, "SELECT SUM(invoice_amount) AS total_overdue_amount FROM invoices WHERE invoice_status != 'Draft' AND invoice_status != 'Paid' AND invoice_status != 'Cancelled' AND invoice_status != 'Non-Billable' AND invoice_due < CURDATE() $client_query");
 $row = mysqli_fetch_array($sql_total_overdue_amount);
 $total_overdue_amount = floatval($row['total_overdue_amount']);