diff --git a/app/Notifications/CheckoutConsumableNotification.php b/app/Notifications/CheckoutConsumableNotification.php
index ef5ab79e4c..1811c70401 100644
--- a/app/Notifications/CheckoutConsumableNotification.php
+++ b/app/Notifications/CheckoutConsumableNotification.php
@@ -80,7 +80,7 @@ class CheckoutConsumableNotification extends Notification
             /**
              * Send an email if an email should be sent at checkin/checkout
              */
-            if ($this->item->checkin_email()) {
+            if ((method_exists($this->item, 'checkin_email')) && ($this->item->checkin_email())) {
                 $notifyBy[1] = 'mail';
             }