diff --git a/lib/js/src/compose/types/chart/chart.ts b/lib/js/src/compose/types/chart/chart.ts
index 67739273a..454d672b4 100644
--- a/lib/js/src/compose/types/chart/chart.ts
+++ b/lib/js/src/compose/types/chart/chart.ts
@@ -242,7 +242,7 @@ export default class Chart extends BaseChart {
             opacity: fill ? 0.7 : 0,
           },
           symbol,
-          symbolSize: 16,
+          symbolSize: type === 'scatter' ? 16 : 10,
           tooltip: {
             trigger: 'axis',
             formatter: tooltipFormatter,