-        portlets_json = self._search_regex(
-            r'Liferay\.Portlet\.list=(\[.+?\])', webpage, 'portlet list')
-        portlets = json.loads(portlets_json)
+        portlets = self._parse_json(self._search_regex(
+            r'Liferay\.Portlet\.list=(\[.+?\])', webpage, 'portlet list'),
+            video_id)