diff --git a/src/administrator/components/com_weblinks/src/Model/WeblinkModel.php b/src/administrator/components/com_weblinks/src/Model/WeblinkModel.php
index 3bca6dd..b1d6acc 100644
--- a/src/administrator/components/com_weblinks/src/Model/WeblinkModel.php
+++ b/src/administrator/components/com_weblinks/src/Model/WeblinkModel.php
@@ -195,11 +195,11 @@ class WeblinkModel extends AdminModel
 		if ($item = parent::getItem($pk))
 		{
 			// Convert the metadata field to an array.
-			$registry = new Registry($item->metadata);
+			$registry = new Registry($item->metadata ?? '');
 			$item->metadata = $registry->toArray();
 
 			// Convert the images field to an array.
-			$registry = new Registry($item->images);
+			$registry = new Registry($item->images ?? '');
 			$item->images = $registry->toArray();
 
 			// Load associated web links items