diff --git a/classes/InventoryItem.php b/classes/InventoryItem.php
index 80f80da..a821fa5 100644
--- a/classes/InventoryItem.php
+++ b/classes/InventoryItem.php
@@ -7,7 +7,9 @@ class InventoryItem extends Item
     public function __construct($row)
     {
         parent::__construct($row);
-        $this->present = $row['present'];
+        if (isset($row['present'])) {
+            $this->present = $row['present'];
+        }
     }
 
     public function printInfo()