diff --git a/html/includes/modal/delete_alert_map.inc.php b/html/includes/modal/delete_alert_map.inc.php
index 2656fd4cb..f26e9ce83 100644
--- a/html/includes/modal/delete_alert_map.inc.php
+++ b/html/includes/modal/delete_alert_map.inc.php
@@ -40,7 +40,7 @@ if(is_admin() === false) {
 </div>
 
 <script>
-$('#confirm-delete').on('show.bs.modal', function(e) {
+$('#confirm-delete').on('show.bs.modal', function(event) {
     event.preventDefault();
     map_id = $(e.relatedTarget).data('map_id');
     $("#map_id").val(map_id);