diff --git a/frontend/src/adapters/gateways/EChartsOptionBuilder/barOptionBuilder.ts b/frontend/src/adapters/gateways/EChartsOptionBuilder/barOptionBuilder.ts
index 6151273..01cfd0e 100644
--- a/frontend/src/adapters/gateways/EChartsOptionBuilder/barOptionBuilder.ts
+++ b/frontend/src/adapters/gateways/EChartsOptionBuilder/barOptionBuilder.ts
@@ -211,10 +211,10 @@ export function buildBarOption(
     option.series = [
       {
         type: 'bar',
-        data: seriesData,
-        itemStyle: {
-          color: style.colors[0],
-        },
+        data: seriesData.map((val, idx) => ({
+          value: val,
+          itemStyle: { color: style.colors[idx % style.colors.length] },
+        })),
         label,
       },
     ];