diff --git a/calendar/templates/event_summary_body.mustache b/calendar/templates/event_summary_body.mustache
index e1c72059916..50ba3e242d8 100644
--- a/calendar/templates/event_summary_body.mustache
+++ b/calendar/templates/event_summary_body.mustache
@@ -40,7 +40,7 @@
     <h4>{{#str}} eventtype, core_calendar {{/str}}</h4>
     {{eventtype}}
     {{#iscourseevent}}
-        <a href="{{url}}">{{course.shortname}}</a>
+        <div><a href="{{url}}">{{course.shortname}}</a></div>
     {{/iscourseevent}}
     {{#source}}
         <div>{{{source}}}</div>