diff --git a/src/Models/Invoice.php b/src/Models/Invoice.php
index dcc9b67..caada95 100644
--- a/src/Models/Invoice.php
+++ b/src/Models/Invoice.php
@@ -64,7 +64,7 @@ public static function make()
 
     public function items()
     {
-        return $this->hasMany(InvoiceItem::class);
+        return $this->hasMany(InvoiceItem::class)->rootWithChildren();
     }
 
 
diff --git a/src/Models/InvoiceItem.php b/src/Models/InvoiceItem.php
index d8b1176..5d06aed 100644
--- a/src/Models/InvoiceItem.php
+++ b/src/Models/InvoiceItem.php
@@ -85,4 +85,8 @@ public function childItems()
     {
         return $this->hasMany(InvoiceItem::class, 'parent_item_id');
     }
+    public function scopeRootWithChildren($query)
+    {
+        $query->whereNull('parent_item_id')->with('childItems');
+    }
 }