diff --git a/app/Filters/InvoiceFilters.php b/app/Filters/InvoiceFilters.php
index 6ae3da8e6f66..57b778eee3c5 100644
--- a/app/Filters/InvoiceFilters.php
+++ b/app/Filters/InvoiceFilters.php
@@ -69,6 +69,7 @@ class InvoiceFilters extends QueryFilters
             if (in_array('overdue', $status_parameters)) {
                 $query->orWhereIn('status_id', [Invoice::STATUS_SENT, Invoice::STATUS_PARTIAL])
                                 ->where('due_date', '<', Carbon::now())
+                                ->orWhere('due_date', null)
                                 ->orWhere('partial_due_date', '<', Carbon::now());
             }
         });