diff --git a/src/wp-content/themes/twentyfifteen/style.css b/src/wp-content/themes/twentyfifteen/style.css
index 90ea4b0f92..e312982652 100644
--- a/src/wp-content/themes/twentyfifteen/style.css
+++ b/src/wp-content/themes/twentyfifteen/style.css
@@ -2412,6 +2412,7 @@ a.post-thumbnail:focus {
 }
 
 .site-info a {
+	border-bottom: 1px solid transparent;
 	color: #707070;
 	color: rgba(51, 51, 51, 0.7);
 }