diff --git a/src/wp-content/themes/twentytwelve/css/editor-blocks.css b/src/wp-content/themes/twentytwelve/css/editor-blocks.css
index 4a1049dae0..85dd813bf2 100644
--- a/src/wp-content/themes/twentytwelve/css/editor-blocks.css
+++ b/src/wp-content/themes/twentytwelve/css/editor-blocks.css
@@ -268,6 +268,7 @@ p.has-drop-cap:not(:focus)::first-letter {
 
 .wp-block-code {
 	border: 0;
+	font-family: Consolas, Monaco, Lucida Console, monospace;
 	font-size: 12px;
 	line-height: 2;
 	padding: 0;