diff --git a/src/Chamilo/CoreBundle/Component/HTMLPurifier/Filter/AllowIframes.php b/src/Chamilo/CoreBundle/Component/HTMLPurifier/Filter/AllowIframes.php
index d01713d9df3..791c52c16ab 100644
--- a/src/Chamilo/CoreBundle/Component/HTMLPurifier/Filter/AllowIframes.php
+++ b/src/Chamilo/CoreBundle/Component/HTMLPurifier/Filter/AllowIframes.php
@@ -64,11 +64,12 @@ protected function postFilterCallback($matches)
         $vimeoMatch = preg_match('#://player.vimeo.com/#i', $matches[1]);
         $googleMapsMatch = preg_match('#src="https://maps.google.com/#i', $matches[1]);
         $slideShare = preg_match('#src="(https?:)?//www.slideshare.net/#', $matches[1]);
+        $geniallyMatch = preg_match('#src="https://view.genially.com/#i', $matches[1]);
         $platformDomain = preg_match('#src="https?://(.+\.)?'.$hostName[1].'#i', $matches[1]);
 
-        if ($youTubeMatch || $vimeoMatch || $googleMapsMatch || $slideShare || $platformDomain) {
+        if ($youTubeMatch || $vimeoMatch || $googleMapsMatch || $slideShare || $geniallyMatch || $platformDomain) {
             $extra = ' frameborder="0"';
-            if ($youTubeMatch) {
+            if ($youTubeMatch || $geniallyMatch) {
                 $extra .= ' allowfullscreen';
             } elseif ($vimeoMatch) {
                 $extra .= ' webkitAllowFullScreen mozallowfullscreen allowFullScreen';