diff --git a/scripts/todays_detections.php b/scripts/todays_detections.php
index 0045fbe..efb3ce5 100644
--- a/scripts/todays_detections.php
+++ b/scripts/todays_detections.php
@@ -777,6 +777,7 @@ window.addEventListener('scroll', function() {
   // Loop through all chart elements and remove them
   charts.forEach(function(chart) {
     chart.parentNode.removeChild(chart);
+    window.chartWindow = undefined;
   });
 });