diff --git a/app/Invoice/Actions/MassStoreAction.php b/app/Invoice/Actions/MassStoreAction.php
index 29bce6af..8ca142e2 100644
--- a/app/Invoice/Actions/MassStoreAction.php
+++ b/app/Invoice/Actions/MassStoreAction.php
@@ -42,6 +42,8 @@ class MassStoreAction
                 ->year($year);
 
             $invoice = Invoice::createFromFactory($factory);
+            $invoice->save();
+            $invoice->positions()->createMany($invoice->getRelationValue('positions'));
             $invoices->push($invoice);
         }
 
diff --git a/app/Invoice/Models/Invoice.php b/app/Invoice/Models/Invoice.php
index 6afce030..ebd62cac 100644
--- a/app/Invoice/Models/Invoice.php
+++ b/app/Invoice/Models/Invoice.php
@@ -50,8 +50,7 @@ class Invoice extends Model
             'usage' => $factory->getUsage(),
         ]);
 
-        $invoice->save();
-        $invoice->positions()->createMany($factory->getPositions()->toArray());
+        $invoice->setRelation('positions', $factory->getPositions()->toArray());
 
         return $invoice;
     }