diff --git a/templates/course.hamlet b/templates/course.hamlet
index 10fe0f585..96e90fd75 100644
--- a/templates/course.hamlet
+++ b/templates/course.hamlet
@@ -289,8 +289,9 @@ $#    $if NTop (Just 0) < NTop (courseCapacity course)
                       <div .table__td-content>
                         <a .btn .btn-primary href=@{CEventR tid ssh csh cID (CEvScheduleOptSetR (not (maybe userScheduleOccurrenceDisplayDefault courseEventScheduleOptOpt mEventScheduleOpt)))}>
                           _{bool MsgScheduleOptIn MsgScheduleOptOut (maybe userScheduleOccurrenceDisplayDefault courseEventScheduleOptOpt mEventScheduleOpt)}
-                        <a .btn .btn-primary href=@{CEventR tid ssh csh cID CEvScheduleOptDelR}>
-                          _{MsgScheduleOptDelete}
+                        $if is _Just mEventScheduleOpt
+                          <a .btn .btn-primary href=@{CEventR tid ssh csh cID CEvScheduleOptDelR}>
+                            _{MsgScheduleOptDelete}
                   $if mayCreateEvents
                     <td .table__td>
                       <ul .list--inline .list--iconless .list--comma-separated>