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 d4c53d9df0f8..a262251b541e 100644
--- a/superset-frontend/plugins/plugin-chart-echarts/src/utils/series.ts
+++ b/superset-frontend/plugins/plugin-chart-echarts/src/utils/series.ts
@@ -88,9 +88,6 @@ export function formatSeriesName(
   if (name === undefined || name === null) {
     return NULL_STRING;
   }
-  if (typeof name === 'number') {
-    return numberFormatter ? numberFormatter(name) : name.toString();
-  }
   if (typeof name === 'boolean') {
     return name.toString();
   }
@@ -99,6 +96,9 @@ export function formatSeriesName(
 
     return timeFormatter ? timeFormatter(d) : d.toISOString();
   }
+  if (typeof name === 'number') {
+    return numberFormatter ? numberFormatter(name) : name.toString();
+  }
   return name;
 }