diff --git a/app/Http/Controllers/OpenVolumeDistributionsController.php b/app/Http/Controllers/OpenVolumeDistributionsController.php
index 18e96e6..15ab693 100644
--- a/app/Http/Controllers/OpenVolumeDistributionsController.php
+++ b/app/Http/Controllers/OpenVolumeDistributionsController.php
@@ -23,7 +23,7 @@ public function execute(): void
         FROM deliveryNotes
         LEFT JOIN volumeDistributions ON deliveryNotes.id = volumeDistributions.deliveryNoteId
         GROUP BY deliveryNotes.id
-        HAVING calcSum IS NULL OR calcSum != amount;';
+        HAVING calcSum IS NULL OR calcSum != deliveryNotes.amount;';
 
         $dataSet = Database::unprepared($sql);