diff --git a/src/renderer/components/chart/pie-chart.tsx b/src/renderer/components/chart/pie-chart.tsx
index b47ce0373c..37a6060b19 100644
--- a/src/renderer/components/chart/pie-chart.tsx
+++ b/src/renderer/components/chart/pie-chart.tsx
@@ -43,7 +43,7 @@ export class PieChart extends React.Component<PieChartProps> {
             const dataset = data.datasets[tooltipItem.datasetIndex];
             const datasetData = dataset.data as number[];
             const total = datasetData.reduce((acc, cur) => acc + cur, 0);
-            const percent = Math.round((dataset.data[tooltipItem.index] as number / total) * 100);
+            const percent = Math.round((datasetData[tooltipItem.index] as number / total) * 100);
             const percentLabel = isNaN(percent) ? "N/A" : `${percent}%`;
             const tooltipLabel = dataset.tooltipLabels?.[tooltipItem.index];
             let tooltip = `${dataset.label}: ${percentLabel}`;