diff --git a/src/videojs.ads.js b/src/videojs.ads.js
index 3cd78f63..a941fedd 100644
--- a/src/videojs.ads.js
+++ b/src/videojs.ads.js
@@ -239,7 +239,7 @@ var
   removeNativePoster = function(player) {
     var tech = player.el().querySelector('.vjs-tech');
     if (tech) {
-      tech.poster = null;
+      tech.removeAttribute('poster');
     }
   },