diff --git a/MarkdownPP/Modules/YoutubeEmbed.py b/MarkdownPP/Modules/YoutubeEmbed.py
index 921ab03..ce5b2a2 100644
--- a/MarkdownPP/Modules/YoutubeEmbed.py
+++ b/MarkdownPP/Modules/YoutubeEmbed.py
@@ -11,7 +11,7 @@
 from MarkdownPP.Module import Module
 from MarkdownPP.Transform import Transform
 
-youtube_url_re = re.compile('^!VIDEO\s+"http://www\.youtube\.com'
+youtube_url_re = re.compile('^!VIDEO\s+"https?://www\.youtube\.com'
                             '/embed/([a-zA-Z0-9\-]*)"')
 glowfoto_server_re = re.compile("<uploadform>(.*)</uploadform>")
 glowfoto_image_re = re.compile("<thumburl>(.*)</thumburl>")