diff --git a/x-pack/plugins/ml/public/application/explorer/explorer_charts/components/explorer_chart_label/explorer_chart_label.js b/x-pack/plugins/ml/public/application/explorer/explorer_charts/components/explorer_chart_label/explorer_chart_label.js
index cb5a705a48709..a83b1a5a472a6 100644
--- a/x-pack/plugins/ml/public/application/explorer/explorer_charts/components/explorer_chart_label/explorer_chart_label.js
+++ b/x-pack/plugins/ml/public/application/explorer/explorer_charts/components/explorer_chart_label/explorer_chart_label.js
@@ -94,7 +94,7 @@ export function ExplorerChartLabel({
 }
 ExplorerChartLabel.propTypes = {
   detectorLabel: PropTypes.object.isRequired,
-  isEmbeddable: PropTypes.boolean,
+  isEmbeddable: PropTypes.bool,
   entityFields: PropTypes.arrayOf(ExplorerChartLabelBadge.propTypes.entity),
   infoTooltip: PropTypes.object.isRequired,
   wrapLabel: PropTypes.bool,