diff --git a/modules/area-chart/index.js b/modules/area-chart/index.js
index 75adf38..575a56a 100644
--- a/modules/area-chart/index.js
+++ b/modules/area-chart/index.js
@@ -358,6 +358,7 @@ export default class AreaChart extends PureComponent {
           .datum(d)
           .append('circle')
           .attr('class', 'data-point')
+          .attr('r', 4)
           .style('strokeWidth', '2px')
           .style('stroke', getStroke)
           .style('fill', 'white')
diff --git a/modules/line-chart/index.js b/modules/line-chart/index.js
index d263456..cf3853f 100644
--- a/modules/line-chart/index.js
+++ b/modules/line-chart/index.js
@@ -298,6 +298,7 @@ export default class LineChart extends React.Component {
           .datum(d)
           .append('circle')
           .attr('class', 'data-point')
+          .attr('r', 4)
           .style('strokeWidth', '2px')
           .style('stroke', getStroke)
           .style('fill', 'white')
diff --git a/modules/line-chart/static/index.js b/modules/line-chart/static/index.js
index e378685..ca23048 100644
--- a/modules/line-chart/static/index.js
+++ b/modules/line-chart/static/index.js
@@ -315,6 +315,7 @@ export default class LineChart extends PureComponent {
           .datum(d)
           .append('circle')
           .attr('class', 'data-point')
+          .attr('r', 4)
           .style('strokeWidth', '2px')
           .style('stroke', getStroke)
           .style('fill', 'white')