diff --git a/superset-frontend/plugins/plugin-chart-echarts/src/Bubble/transformProps.ts b/superset-frontend/plugins/plugin-chart-echarts/src/Bubble/transformProps.ts
index 1888383a523..49e51f511b3 100644
--- a/superset-frontend/plugins/plugin-chart-echarts/src/Bubble/transformProps.ts
+++ b/superset-frontend/plugins/plugin-chart-echarts/src/Bubble/transformProps.ts
@@ -201,7 +201,7 @@ export default function transformProps(chartProps: EchartsBubbleChartProps) {
       name: bubbleXAxisTitle,
       nameLocation: 'middle',
       nameTextStyle: {
-        fontWight: 'bolder',
+        fontWeight: 'bolder',
       },
       nameGap: convertInteger(xAxisTitleMargin),
       type: xAxisType,
@@ -219,7 +219,7 @@ export default function transformProps(chartProps: EchartsBubbleChartProps) {
       name: bubbleYAxisTitle,
       nameLocation: 'middle',
       nameTextStyle: {
-        fontWight: 'bolder',
+        fontWeight: 'bolder',
       },
       nameGap: convertInteger(yAxisTitleMargin),
       min: yAxisMin,