diff --git a/tarteaucitron.services.js b/tarteaucitron.services.js
index 73d0118..6948875 100644
--- a/tarteaucitron.services.js
+++ b/tarteaucitron.services.js
@@ -3312,7 +3312,7 @@ tarteaucitron.services.youtube = {
             } else {
                 frame_height += '"" ';
             }
-            video_frame = '<iframe title="' + frame_title + '" type="text/html" ' + frame_width + frame_height + ' src="//www.youtube-nocookie.com/embed/' + video_id + '?' + params + '"' + (allowfullscreen == '0' ? '' : ' allowfullscreen') + '></iframe>';
+            video_frame = '<iframe title="' + frame_title + '" type="text/html" ' + frame_width + frame_height + ' src="//www.youtube-nocookie.com/embed/' + video_id + '?' + params + '"' + (allowfullscreen == '0' ? '' : ' webkitallowfullscreen mozallowfullscreen allowfullscreen') + '></iframe>';
             return video_frame;
         });
     },
@@ -3361,7 +3361,7 @@ tarteaucitron.services.youtubeplaylist = {
             } else {
                 frame_height += '"" ';
             }
-            video_frame = '<iframe title="' + frame_title + '" type="text/html" ' + frame_width + frame_height + ' src="//www.youtube-nocookie.com/embed/videoseries?list=' + playlist_id + '&' + params + '"' + (allowfullscreen == '0' ? '' : ' allowfullscreen') + '></iframe>';
+            video_frame = '<iframe title="' + frame_title + '" type="text/html" ' + frame_width + frame_height + ' src="//www.youtube-nocookie.com/embed/videoseries?list=' + playlist_id + '&' + params + '"' + (allowfullscreen == '0' ? '' : ' webkitallowfullscreen mozallowfullscreen allowfullscreen') + '></iframe>';
             return video_frame;
         });
     },