diff --git a/src/wp-admin/css/about.css b/src/wp-admin/css/about.css
index b3cdffb505..50c4d9230f 100644
--- a/src/wp-admin/css/about.css
+++ b/src/wp-admin/css/about.css
@@ -25,6 +25,7 @@
 .about-wrap img {
 	margin: 0;
 	max-width: 100%;
+	height: auto;
 	vertical-align: middle;
 }
 
@@ -442,4 +443,4 @@
 		width: 100%;
 		float: none;
 	}
-}
\ No newline at end of file
+}