diff --git a/mobile/android/chrome/content/CastingApps.js b/mobile/android/chrome/content/CastingApps.js
index 00d21c26467..8d22a58322e 100644
--- a/mobile/android/chrome/content/CastingApps.js
+++ b/mobile/android/chrome/content/CastingApps.js
@@ -138,11 +138,17 @@ var CastingApps = {
   },
 
   _getVideo: function(aElement) {
-    // Given the hardware support for H264, let's only look for 'mp4' sources
     if (!aElement instanceof HTMLVideoElement) {
       return null;
     }
 
+    // Allow websites to opt-out using the Apple airplay attribute
+    // https://developer.apple.com/library/safari/documentation/AudioVideo/Conceptual/AirPlayGuide/OptingInorOutofAirPlay/OptingInorOutofAirPlay.html
+    if (aElement.getAttribute("x-webkit-airplay") === "deny") {
+      return null;
+    }
+
+    // Given the hardware support for H264, let's only look for 'mp4' sources
     function allowableExtension(aURI) {
       if (aURI && aURI instanceof Ci.nsIURL) {
         return (aURI.fileExtension == "mp4");