diff --git a/src/wp-content/themes/twentyfifteen/style.css b/src/wp-content/themes/twentyfifteen/style.css
index b626d4b489..75ee85c31b 100644
--- a/src/wp-content/themes/twentyfifteen/style.css
+++ b/src/wp-content/themes/twentyfifteen/style.css
@@ -406,6 +406,7 @@ table {
 	border-spacing: 0;
 	border-width: 1px 0 0 1px;
 	margin: 0 0 1.6em;
+	table-layout: fixed; /* Prevents HTML tables from becoming too wide */
 	width: 100%;
 }