diff --git a/src/canvas/view/CanvasView.js b/src/canvas/view/CanvasView.js
index 9c514bcf2..cede09768 100644
--- a/src/canvas/view/CanvasView.js
+++ b/src/canvas/view/CanvasView.js
@@ -201,7 +201,8 @@ export default Backbone.View.extend({
   getFrameOffset(el) {
     if (!this.frmOff || el) {
       const frame = this.frame.el;
-      const frEl = el ? el.ownerDocument.defaultView.frameElement : frame;
+      const winEl = el && el.ownerDocument.defaultView;
+      const frEl = winEl ? winEl.frameElement : frame;
       this.frmOff = this.offset(frEl || frame);
     }
     return this.frmOff;