diff --git a/app/code/Magento/Ui/view/base/web/js/form/element/abstract.js b/app/code/Magento/Ui/view/base/web/js/form/element/abstract.js
index 952428599d6962211e6af09bc797f1b1c3d79fc2..0c4a3a592edf440e8e1992fa445def8311ee2e74 100755
--- a/app/code/Magento/Ui/view/base/web/js/form/element/abstract.js
+++ b/app/code/Magento/Ui/view/base/web/js/form/element/abstract.js
@@ -134,7 +134,7 @@ define([
             }
 
             _.extend(this.additionalClasses, {
-                required: this.required,
+                _required: this.required,
                 _error: this.error,
                 _warn: this.warn,
                 _disabled: this.disabled