diff --git a/app/Console/Commands/InvoiceReminder.php b/app/Console/Commands/InvoiceReminder.php
index c0f342289..e3fcb75d9 100644
--- a/app/Console/Commands/InvoiceReminder.php
+++ b/app/Console/Commands/InvoiceReminder.php
@@ -69,7 +69,9 @@ class InvoiceReminder extends Command
 
         foreach ($invoices as $invoice) {
             // Notify the customer
-            $invoice->customer->notify(new Notification($invoice));
+            if ($invoice->customer) {
+                $invoice->customer->notify(new Notification($invoice));
+            }
 
             // Notify all users assigned to this company
             foreach ($company->users as $user) {