diff --git a/Classes/AssetSource/CantoAssetProxy.php b/Classes/AssetSource/CantoAssetProxy.php
index 97ab72b..78ba61c 100644
--- a/Classes/AssetSource/CantoAssetProxy.php
+++ b/Classes/AssetSource/CantoAssetProxy.php
@@ -81,7 +81,7 @@ public static function fromJsonObject(stdClass $jsonObject, CantoAssetSource $as
         $assetProxy->lastModified = \DateTime::createFromFormat('YmdHisv', $jsonObject->default->{'Date modified'});
         $assetProxy->fileSize = (int)$jsonObject->size;
         $assetProxy->mediaType = MediaTypes::getMediaTypeFromFilename($jsonObject->name);
-        $assetProxy->tags = $jsonObject->tag ?? [];
+        $assetProxy->tags = $jsonObject->tag ? (array)$jsonObject->tag : [];
 
         $assetProxy->iptcProperties['CopyrightNotice'] = $jsonObject->copyright ?? ($jsonObject->default->Copyright ?? '');