diff --git a/include/bbcode.php b/include/bbcode.php
index 978b4af69..4caf18766 100644
--- a/include/bbcode.php
+++ b/include/bbcode.php
@@ -90,7 +90,7 @@ function bbcode($Text) {
 	$Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.+?)\[\/img\]/", '<img src="$3" height="$2" width="$1">', $Text);
 
 	// Youtube extensions
-        $Text = preg_replace("/\[youtube\]http:\/\/www.youtube.com\/watch\?v\=(.+?)\[\/youtube\]/",'[youtube]$1[/youtube]',$Text); 
+        $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.+?)\[\/youtube\]/",'[youtube]$1[/youtube]',$Text); 
 	$Text = preg_replace("/\[youtube\](.+?)\[\/youtube\]/", '<object width="425" height="350" type="application/x-shockwave-flash" data="http://www.youtube.com/v/$1" ><param name="movie" value="http://www.youtube.com/v/$1"></param><!--[if IE]><embed src="http://www.youtube.com/v/$1" type="application/x-shockwave-flash" width="425" height="350" /><![endif]--></object>', $Text);
 
 	// oembed tag