diff --git a/calendar/lib.php b/calendar/lib.php
index 8a05c8ebb50..ee86d968e63 100644
--- a/calendar/lib.php
+++ b/calendar/lib.php
@@ -3501,6 +3501,7 @@ function calendar_get_view(\calendar_information $calendar, $view, $includenavig
         $data = $month->export($renderer);
         $data->viewingmonth = true;
         $data->showviewselector = ($view == "month");
+        $data->viewinginblock = ($view == "monthblock");
     } else if ($view == "day") {
         $day = new \core_calendar\external\calendar_day_exporter($calendar, $related);
         $data = $day->export($renderer);
diff --git a/calendar/templates/month_navigation.mustache b/calendar/templates/month_navigation.mustache
index 695b241ac26..89dcfcf13bc 100644
--- a/calendar/templates/month_navigation.mustache
+++ b/calendar/templates/month_navigation.mustache
@@ -46,7 +46,12 @@
             <span class="arrow_text">{{previousperiodname}}</span>
         </a>
         <span class="hide"> | </span>
-        <h2 class="current">{{periodname}}</h2>
+        {{#viewinginblock}}
+            <h4 class="current">{{periodname}}</h4>
+        {{/viewinginblock}}
+        {{^viewinginblock}}
+            <h2 class="current">{{periodname}}</h2>
+        {{/viewinginblock}}
         <span class="hide"> | </span>
         <a{{!
             }} href="{{nextperiodlink}}"{{!