diff --git a/Model/Customer/SourceProvider/IdleFilterModifier.php b/Model/Customer/SourceProvider/IdleFilterModifier.php
index 6f08c2f..a43a8f5 100644
--- a/Model/Customer/SourceProvider/IdleFilterModifier.php
+++ b/Model/Customer/SourceProvider/IdleFilterModifier.php
@@ -38,6 +38,7 @@ public function apply(AbstractDb $collection, WebsiteInterface $website): void
             'e.entity_id=cv.customer_id',
             null
         );
+        $collection->addFieldToFilter('website_id', $website->getId());
         $collection->getSelect()->joinLeft(
             ['cl' => $connection->getTableName('customer_log')],
             'e.entity_id=cl.customer_id',