diff --git a/src/wp-content/themes/twentyfifteen/css/blocks.css b/src/wp-content/themes/twentyfifteen/css/blocks.css
index 9dfadcc75b60d..54ac7347d30f7 100644
--- a/src/wp-content/themes/twentyfifteen/css/blocks.css
+++ b/src/wp-content/themes/twentyfifteen/css/blocks.css
@@ -380,8 +380,7 @@ p.has-drop-cap:not(:focus)::first-letter {
 
 .wp-block-table th,
 .wp-block-table td {
-	border-color: #eaeaea;
-	border-width: 0 1px 1px 0;
+	border: 1px solid;
 }
 
 /*--------------------------------------------------------------