diff --git a/src/opnsense/www/js/widgets/Traffic.js b/src/opnsense/www/js/widgets/Traffic.js
index 5a0666d69..1bfee7b09 100644
--- a/src/opnsense/www/js/widgets/Traffic.js
+++ b/src/opnsense/www/js/widgets/Traffic.js
@@ -240,7 +240,11 @@ export default class Traffic extends BaseWidget {
 
     onWidgetClose() {
         super.onWidgetClose();
-        this.charts.trafficIn.destroy();
-        this.charts.trafficOut.destroy();
+        if (this.charts.trafficIn !== null) {
+            this.charts.trafficIn.destroy();
+        }
+        if (this.charts.trafficOut !== null) {
+            this.charts.trafficOut.destroy();
+        }
     }
 }