diff --git a/src/Database/Adapter/SQL.php b/src/Database/Adapter/SQL.php
index 4a7c34520..9c4a81046 100644
--- a/src/Database/Adapter/SQL.php
+++ b/src/Database/Adapter/SQL.php
@@ -1110,7 +1110,7 @@ public function getAttributeWidth(Document $collection): int
 
         $total = 1067;
 
-        $attributes = $collection->getAttributes()['attributes'];
+        $attributes = $collection->getAttributes()['attributes'] ?? [];
 
         foreach ($attributes as $attribute) {
             /**