diff --git a/wp-content/themes/twentyfifteen/style.css b/wp-content/themes/twentyfifteen/style.css
index b9190e8890..0b2108d127 100644
--- a/wp-content/themes/twentyfifteen/style.css
+++ b/wp-content/themes/twentyfifteen/style.css
@@ -1862,6 +1862,7 @@ a.post-thumbnail:focus {
 }
 
 .entry-footer a {
+	border-bottom: 1px solid transparent;
 	color: #707070;
 	color: rgba(51, 51, 51, 0.7);
 }