diff --git a/app/Models/PackingList.php b/app/Models/PackingList.php
index 24565d9c..21b0d692 100644
--- a/app/Models/PackingList.php
+++ b/app/Models/PackingList.php
@@ -72,4 +72,12 @@ class PackingList extends AbstractModel implements Transportable, Steppable, Pac
     {
         return $this->BelongsToMany(PackingList::class, 'packing_list_owner', 'owner_packing_list_id', 'packing_list_id');
     }
+
+    /**
+     * @return MorphMany
+     */
+    public function packingLists(): morphMany
+    {
+        return $this->morphMany(PackingList::class, 'owner');
+    }
 }