diff --git a/src/wp-content/themes/twentythirteen/style.css b/src/wp-content/themes/twentythirteen/style.css
index bec23c1ccc..080402400d 100644
--- a/src/wp-content/themes/twentythirteen/style.css
+++ b/src/wp-content/themes/twentythirteen/style.css
@@ -426,6 +426,11 @@ table {
 	width: 100%;
 }
 
+.wp-block-table[class*="-font-size"] table,
+.wp-block-table[style*="font-size"] table {
+	font-size: inherit;
+}
+
 caption,
 th,
 td {