diff --git a/tarteaucitron.services.js b/tarteaucitron.services.js
index 8e36094..02ff839 100644
--- a/tarteaucitron.services.js
+++ b/tarteaucitron.services.js
@@ -4284,8 +4284,8 @@ tarteaucitron.services.youtube = {
         "use strict";
         var id = 'youtube';
         tarteaucitron.fallback(['youtube_player'], function (elem) {
-            elem.style.width = elem.getAttribute('width') + 'px';
-            elem.style.height = elem.getAttribute('height') + 'px';
+            elem.style.width = tarteaucitron.getElemAttr(elem,'width') + 'px';
+            elem.style.height = tarteaucitron.getElemAttr(elem,'height') + 'px';
             return tarteaucitron.engage(id);
         });
     }
@@ -4333,8 +4333,8 @@ tarteaucitron.services.youtubeplaylist = {
         "use strict";
         var id = 'youtubeplaylist';
         tarteaucitron.fallback(['youtube_playlist_player'], function (elem) {
-            elem.style.width = elem.getAttribute('width') + 'px';
-            elem.style.height = elem.getAttribute('height') + 'px';
+            elem.style.width = tarteaucitron.getElemAttr(elem,'width') + 'px';
+            elem.style.height = tarteaucitron.getElemAttr(elem,'height') + 'px';
             return tarteaucitron.engage(id);
         });
     }