diff --git a/app/lib/components/VideoWindow/NewWindow.jsx b/app/lib/components/VideoWindow/NewWindow.jsx
index db32f73..cb4b13e 100644
--- a/app/lib/components/VideoWindow/NewWindow.jsx
+++ b/app/lib/components/VideoWindow/NewWindow.jsx
@@ -165,7 +165,7 @@ class NewWindow extends React.PureComponent
 	{
 		if (this.window)
 		{
-			if (this.fullscreen.fullscreenEnabled)
+			if (this.fullscreen && this.fullscreen.fullscreenEnabled)
 			{
 				this.fullscreen.removeEventListener('fullscreenchange', this.handleFullscreenChange);
 			}