diff --git a/Service/LinkMaskingAttributeParser.php b/Service/LinkMaskingAttributeParser.php
index 2e6c0ff..73f2074 100644
--- a/Service/LinkMaskingAttributeParser.php
+++ b/Service/LinkMaskingAttributeParser.php
@@ -38,7 +38,12 @@ public function convertAttributeBeforeSave($filterLinkMasking)
 
     public function convertAttributeAfterLoad($filterLinkMasking)
     {
-        $attributes = $this->serializer->unserialize($filterLinkMasking);
+        $attributes = [];
+        if (is_string($filterLinkMasking)) {
+            $attributes = $this->serializer->unserialize($filterLinkMasking);
+        } elseif (is_array($filterLinkMasking)) {
+            $attributes = $filterLinkMasking);
+        }
 
         $filterData = [];