diff --git a/media/css/reader.css b/media/css/reader.css
index 434efdadf..c96b50607 100644
--- a/media/css/reader.css
+++ b/media/css/reader.css
@@ -50,7 +50,7 @@ a img {
 /* = Styling & Themes = */
 /* ==================== */
 
-body {
+body, body.NB-theme-sans-serif #story_pane {
     font-family: "Helvetica Neue", "Helvetica", sans-serif;
 }