diff --git a/app/InvoiceStatuses.php b/app/InvoiceStatuses.php
index a4b9b93b..66ff858b 100644
--- a/app/InvoiceStatuses.php
+++ b/app/InvoiceStatuses.php
@@ -9,6 +9,6 @@ class InvoiceStatuses extends Model
     protected $fillable = ['status','comment', 'invoice_id'];
     
     public function invoice() {
-        return $this->belongsTo('App/Invoice');
+        return $this->belongsTo(Invoice::class);
     }
 }