diff --git a/superset-frontend/plugins/plugin-chart-echarts/src/utils/series.ts b/superset-frontend/plugins/plugin-chart-echarts/src/utils/series.ts
index 0a5d20f191a5a..e8c6c0e8bafe8 100644
--- a/superset-frontend/plugins/plugin-chart-echarts/src/utils/series.ts
+++ b/superset-frontend/plugins/plugin-chart-echarts/src/utils/series.ts
@@ -77,8 +77,8 @@ export function extractShowValueIndexes(
   series: SeriesOption[],
   opts: {
     stack: StackType;
-    onlyTotal: boolean;
-    isHorizontal: boolean;
+    onlyTotal?: boolean;
+    isHorizontal?: boolean;
   },
 ): number[] {
   const showValueIndexes: number[] = [];