diff --git a/where.njk b/where.njk
index 16486cc..fe60a92 100644
--- a/where.njk
+++ b/where.njk
@@ -33,7 +33,7 @@ leafletMap: true
   {% endfor %}
 
   {% if mapPoints.length %}
-  <div id="checkin-map" class="mb-8 rounded-lg overflow-hidden border border-surface-200 dark:border-surface-700" style="height: 420px;" aria-label="Map of past check-ins"></div>
+  <div id="checkin-map" class="mb-8 rounded-lg overflow-hidden border border-surface-200 dark:border-surface-700" style="height: 420px; isolation: isolate;" aria-label="Map of past check-ins"></div>
   <script>
     var checkinPoints = {{ mapPoints | dump | safe }};
   </script>