diff --git a/templates/index.html b/templates/index.html
index 472ef25..b1cbf89 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -171,6 +171,15 @@
         });
     }
 
+    function destroyCharts(container) {
+      container.querySelectorAll('canvas').forEach(c => {
+        const chart = Chart.getChart(c);
+        if (chart) {
+          chart.destroy();
+        }
+      });
+    }
+
     function loadReports() {
       let path;
       let container;
@@ -183,6 +192,7 @@
       } else {
         container = containers.domain;
         if (!currentDomain) {
+          destroyCharts(container);
           container.innerHTML = '<p>Select a domain</p>';
           return;
         }
@@ -192,6 +202,7 @@
         fetch(path + '/reports.json')
           .then(r => r.json())
           .then(reports => {
+            destroyCharts(container);
             container.innerHTML = '';
             reports.forEach(rep => {
               fetch(path + '/' + rep.html)