diff --git a/youtube_dl/extractor/thisoldhouse.py b/youtube_dl/extractor/thisoldhouse.py
index 387f955ee..256af1d95 100644
--- a/youtube_dl/extractor/thisoldhouse.py
+++ b/youtube_dl/extractor/thisoldhouse.py
@@ -38,6 +38,6 @@ class ThisOldHouseIE(InfoExtractor):
         display_id = self._match_id(url)
         webpage = self._download_webpage(url, display_id)
         video_id = self._search_regex(
-            r'<iframe[^>]+src=[\'"](?:https?:)?//thisoldhouse\.chorus\.build/videos/zype/([0-9a-f]{24})',
+            r'<iframe[^>]+src=[\'"](?:https?:)?//(?:www\.|)thisoldhouse(?:\.chorus\.build|\.com)/videos/zype/([0-9a-f]{24})',
             webpage, 'video id')
         return self.url_result(self._ZYPE_TMPL % video_id, 'Zype', video_id)