--- a/mediawiki/extensions/cmo.php
+++ b/mediawiki/extensions/cmo.php
@@ -39,17 +39,17 @@ function CMOBox( $input, $argv, &$parser
 
 // start the rendering the html output
   $output = '<div class="topicbox" '.$style.'><h2>'.$parser->recursiveTagParse((string)$argv['title']).'</h2><table>';
   $i = 0;
   
   foreach ($xml->cmocell as $cmocell) {
 	if ($i==0)
 	  $output .= '<tr>';
-    if (strpos((string)$cmocell['url'], 'http://')===false) {
+    if (substr($cmocell['url'],0,7)!='http://' &&  substr($cmocell['url'],0,8)!='https://') {
       $title = Title::newFromText((string)$cmocell['url']);
       if ($title)
         $url = $title->getLocalURL();
     } else {
       if ($cmocell['url'])
         $url = (string)$cmocell['url'];
     }
     if ($url) {