diff --git a/include/items.php b/include/items.php
index 3170b93842..55b17158a3 100644
--- a/include/items.php
+++ b/include/items.php
@@ -354,7 +354,7 @@ function get_atom_elements($feed,$item) {
 		$res['body'] = preg_replace('#<object[^>]+>.+?' . 'http://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+).+?</object>#s',
 			'[youtube]$1[/youtube]', $res['body']);
 
-		$res['body'] = preg_replace('#<iframe[^>].+?' . 'http://www.youtube.com/embed/[A-Za-z0-9\-_=]+).+?</iframe>#s',
+		$res['body'] = preg_replace('#<iframe[^>].+?' . 'http://www.youtube.com/embed/([A-Za-z0-9\-_=]+).+?</iframe>#s',
 			'[youtube]$1[/youtube]', $res['body']);
 
 		$res['body'] = oembed_html2bbcode($res['body']);
@@ -524,7 +524,7 @@ function get_atom_elements($feed,$item) {
 				$body = preg_replace('#<object[^>]+>.+?' . 'http://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+).+?</object>#s',
 					'[youtube]$1[/youtube]', $body);
 
-		$res['body'] = preg_replace('#<iframe[^>].+?' . 'http://www.youtube.com/embed/[A-Za-z0-9\-_=]+).+?</iframe>#s',
+		$res['body'] = preg_replace('#<iframe[^>].+?' . 'http://www.youtube.com/embed/([A-Za-z0-9\-_=]+).+?</iframe>#s',
 			'[youtube]$1[/youtube]', $res['body']);
 
 
@@ -567,7 +567,7 @@ function get_atom_elements($feed,$item) {
 				$body = preg_replace('#<object[^>]+>.+?' . 'http://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+).+?</object>#s',
 					'[youtube]$1[/youtube]', $body);
 
-		$res['body'] = preg_replace('#<iframe[^>].+?' . 'http://www.youtube.com/embed/[A-Za-z0-9\-_=]+).+?</iframe>#s',
+		$res['body'] = preg_replace('#<iframe[^>].+?' . 'http://www.youtube.com/embed/([A-Za-z0-9\-_=]+).+?</iframe>#s',
 			'[youtube]$1[/youtube]', $res['body']);
 
 				$config = HTMLPurifier_Config::createDefault();