diff --git a/src/js/video.js b/src/js/video.js
index d1a7abfc4..928856de5 100644
--- a/src/js/video.js
+++ b/src/js/video.js
@@ -4,7 +4,6 @@
  */
 import {version} from '../../package.json';
 import window from 'global/window';
-import document from 'global/document';
 import * as setup from './setup';
 import * as stylesheet from './utils/stylesheet.js';
 import Component from './component';
@@ -143,7 +142,13 @@ function videojs(id, options, ready) {
     throw new TypeError('The element or ID supplied is not valid. (videojs)');
   }
 
-  if (!document.body.contains(el)) {
+  // document.contains(el) will only check if el is contained within that one document.
+  // This causes problems for elements in iframes.
+  // Instead, use the element's ownerDocument instead of the global document.
+  // This will make sure that the element is indeed in the dom of that document.
+  // Additionally, check that the document in question has a default view.
+  // If the document is no longer attached to the dom, the defaultView of the document will be null.
+  if (!el.ownerDocument.defaultView || !el.ownerDocument.contains(el)) {
     log.warn('The element supplied is not included in the DOM');
   }