diff --git a/youtube_dl/extractor/teachable.py b/youtube_dl/extractor/teachable.py
index 47ac95ee8..c1a9deafe 100644
--- a/youtube_dl/extractor/teachable.py
+++ b/youtube_dl/extractor/teachable.py
@@ -27,6 +27,7 @@ class TeachableBaseIE(InfoExtractor):
         'market.saleshacker.com': 'saleshacker',
         'learnability.org': 'learnability',
         'edurila.com': 'edurila',
+        'courses.workitdaily.com': 'workitdaily',
     }
 
     _VALID_URL_SUB_TUPLE = (_URL_PREFIX, '|'.join(re.escape(site) for site in _SITES.keys()))