diff --git a/lib/internal/Magento/Framework/Data/Form/Element/Time.php b/lib/internal/Magento/Framework/Data/Form/Element/Time.php
index 53d72d704483c..5f67ac4414e99 100644
--- a/lib/internal/Magento/Framework/Data/Form/Element/Time.php
+++ b/lib/internal/Magento/Framework/Data/Form/Element/Time.php
@@ -114,7 +114,7 @@ public function getElementHtml()
             'style',
             [],
             <<<style
-                .select80wide {
+                select.select.select80wide {
                     width: 80px;
                 }
 style