From 3d749800c03a7d723fedccb3c047fa1b22565eed Mon Sep 17 00:00:00 2001
From: Frank Schubert <fronk@fronk.at>
Date: Sun, 1 Sep 2024 19:11:33 +0200
Subject: [PATCH] fixed invoice_file filter in InvoiceModel

---
 application/Invoice/InvoiceModel.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/application/Invoice/InvoiceModel.php b/application/Invoice/InvoiceModel.php
index 90c5d03d4..659842282 100644
--- a/application/Invoice/InvoiceModel.php
+++ b/application/Invoice/InvoiceModel.php
@@ -371,7 +371,7 @@ class InvoiceModel {
             if($invoice_file === true) {
                 $where .= " AND InvoiceFile.id > 0'";
             } elseif($invoice_file === false || $invoice_file === null) {
-                $where .= " AND InvoiceFile.id IS NOT NULL";
+                $where .= " AND InvoiceFile.id IS NULL";
             }
         }