diff --git a/frontend/src/ts/ervu_business_metrics/component/chart/ErvuChartV2.ts b/frontend/src/ts/ervu_business_metrics/component/chart/ErvuChartV2.ts
index b278aea..6b57f03 100644
--- a/frontend/src/ts/ervu_business_metrics/component/chart/ErvuChartV2.ts
+++ b/frontend/src/ts/ervu_business_metrics/component/chart/ErvuChartV2.ts
@@ -247,7 +247,7 @@ export class ErvuChartV2 extends Control implements Filterable {
         if (type == 'doughnut' || type == 'pie') {
           return tooltipItem.label.trim().length !== 0;
         }
-        return tooltipItem.dataset.label.trim().length !== 0
+        return tooltipItem.dataset.label.trim().length !== 0;
       }
     };