diff --git a/typo3/sysext/rtehtmlarea/Resources/Public/JavaScript/HTMLArea/Editor/Toolbar.js b/typo3/sysext/rtehtmlarea/Resources/Public/JavaScript/HTMLArea/Editor/Toolbar.js
index 43584f45cc1781a2fa720adc0ad7dbbadfdb7b0b..dd89773eb3d6ffb48f64ba64bba4220fef033d50 100644
--- a/typo3/sysext/rtehtmlarea/Resources/Public/JavaScript/HTMLArea/Editor/Toolbar.js
+++ b/typo3/sysext/rtehtmlarea/Resources/Public/JavaScript/HTMLArea/Editor/Toolbar.js
@@ -32,6 +32,11 @@ define(['TYPO3/CMS/Rtehtmlarea/HTMLArea/Util/Util',
 	 */
 	var Toolbar = function (config) {
 		Util.apply(this, config);
+
+		/**
+		 * The toolbar items
+		 */
+		this.items = {};
 	};
 
 	Toolbar.prototype = {
@@ -76,11 +81,6 @@ define(['TYPO3/CMS/Rtehtmlarea/HTMLArea/Util/Util',
 			return RTEarea[this.editorId].editor;
 		},
 
-		/**
-		 * The toolbar items
-		 */
-		items: {},
-
 		/**
 		 * Create the toolbar items based on editor toolbar configuration
 		 */