diff --git a/yt_dlp/extractor/omnyfm.py b/yt_dlp/extractor/omnyfm.py
index ba9e089b2..f763d04f8 100644
--- a/yt_dlp/extractor/omnyfm.py
+++ b/yt_dlp/extractor/omnyfm.py
@@ -16,7 +16,7 @@
 class OmnyFMShowIE(InfoExtractor):
     IE_NAME = 'omnyfm:show'
     _VALID_URL = r'https?://omny\.fm/shows/(?P<id>[\w-]+)'
-    _EMBED_REGEX = [r'<iframe[^>]+?src=(?:["\'])(?P<url>https?://omny\.fm/shows/.+?)\1']
+    _EMBED_REGEX = [r'<iframe[^>]+?src=(["\'])(?P<url>https?://omny\.fm/shows/.+?)\1']
     _PAGE_SIZE = 10
     _TESTS = [{
         'url': 'https://omny.fm/shows/league-leaders',