diff --git a/typo3/sysext/backend/Resources/Public/JavaScript/Viewport.js b/typo3/sysext/backend/Resources/Public/JavaScript/Viewport.js
index 57c03a628256b2b8eeadc9011644cc5e5ef26d45..afb2f50d634ab7da03938a1981fe6a91090cbb46 100644
--- a/typo3/sysext/backend/Resources/Public/JavaScript/Viewport.js
+++ b/typo3/sysext/backend/Resources/Public/JavaScript/Viewport.js
@@ -28,7 +28,7 @@ define(
 		TYPO3.Backend = {
 			initialize: function() {
 				TYPO3.Backend.doLayout();
-				$(document).on('resize', TYPO3.Backend.doLayout);
+				$(window).on('resize', TYPO3.Backend.doLayout);
 			},
 			/**
 			 * This function is triggered whenever a re-layouting of component is needed