diff --git a/fields/field.link_preview.php b/fields/field.link_preview.php
index 9ee3fd8..5489832 100644
--- a/fields/field.link_preview.php
+++ b/fields/field.link_preview.php
@@ -214,6 +214,9 @@ private function getSystemData($entryId) {
 				'system:day' => DateTimeObj::format('now','d'),
 				'system:month' => DateTimeObj::format('now','m'),
 				'system:year' => DateTimeObj::format('now','Y'),
+				'system:root' => URL,
+				'system:workspace' => URL . '/workspace',
+				'system:http-host' => HTTP_HOST,
 			);
 		}