diff --git a/src/wp-admin/css/common.css b/src/wp-admin/css/common.css
index 480aeb788a..b5a5acad6a 100644
--- a/src/wp-admin/css/common.css
+++ b/src/wp-admin/css/common.css
@@ -1553,6 +1553,7 @@ div.error {
 	text-align: left;
 	margin: 25px 20px 0 2px;
 	background-color: #fff;
+	border: 1px solid #ccd0d4;
 	border-left: 4px solid #ffba00;
 	box-shadow: 0 1px 1px 0 rgba(0, 0, 0, 0.1);
 }