diff --git a/lms/static/sass/course/courseware/_courseware.scss b/lms/static/sass/course/courseware/_courseware.scss
index 31064a7962..a1c0407c02 100644
--- a/lms/static/sass/course/courseware/_courseware.scss
+++ b/lms/static/sass/course/courseware/_courseware.scss
@@ -138,6 +138,7 @@ html.video-fullscreen {
       word-wrap: break-word;
       word-break: break-word;
       margin: 0 auto;
+      font: -apple-system-body;
 
       &.xblock-student_view-vertical,
       &.xblock-public_view-vertical {