diff --git a/src/echo.js b/src/echo.js
index f307e8f..b70f31c 100644
--- a/src/echo.js
+++ b/src/echo.js
@@ -71,7 +71,7 @@
   };
 
   echo.render = function () {
-    var nodes = document.querySelectorAll('img[data-echo], [data-echo-background]');
+    var nodes = document.querySelectorAll('img[data-echo],iframe[data-echo],[data-echo-background]');
     var length = nodes.length;
     var src, elem;
     var view = {