diff --git a/superset-frontend/plugins/plugin-chart-echarts/src/utils/forecast.ts b/superset-frontend/plugins/plugin-chart-echarts/src/utils/forecast.ts
index 528c27765ecb1..617aaa5f8c255 100644
--- a/superset-frontend/plugins/plugin-chart-echarts/src/utils/forecast.ts
+++ b/superset-frontend/plugins/plugin-chart-echarts/src/utils/forecast.ts
@@ -16,7 +16,7 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-import { DataRecord, NumberFormatter } from '@superset-ui/core';
+import { DataRecord, DTTM_ALIAS, NumberFormatter } from '@superset-ui/core';
 import { CallbackDataParams, OptionName } from 'echarts/types/src/util/types';
 import { TooltipMarker } from 'echarts/types/src/util/format';
 import {
@@ -119,9 +119,10 @@ export function rebaseForecastDatum(
     const newRow: DataRecord = {};
     keys.forEach(key => {
       const forecastContext = extractForecastSeriesContext(key);
-      const verboseKey = verboseMap[forecastContext.name]
-        ? `${verboseMap[forecastContext.name]}${forecastContext.type}`
-        : key;
+      const verboseKey =
+        key !== DTTM_ALIAS && verboseMap[forecastContext.name]
+          ? `${verboseMap[forecastContext.name]}${forecastContext.type}`
+          : key;
 
       // check if key is equal to lower confidence level. If so, extract it
       // from the upper bound
diff --git a/superset-frontend/plugins/plugin-chart-echarts/test/utils/forecast.test.ts b/superset-frontend/plugins/plugin-chart-echarts/test/utils/forecast.test.ts
index 2743d828db09b..819b2b85b137e 100644
--- a/superset-frontend/plugins/plugin-chart-echarts/test/utils/forecast.test.ts
+++ b/superset-frontend/plugins/plugin-chart-echarts/test/utils/forecast.test.ts
@@ -103,7 +103,7 @@ describe('rebaseForecastDatum', () => {
     ]);
   });
 
-  it('should rename all series based on verboseMap', () => {
+  it('should rename all series based on verboseMap but leave __timestamp alone', () => {
     expect(
       rebaseForecastDatum(
         [
@@ -128,6 +128,7 @@ describe('rebaseForecastDatum', () => {
         ],
         {
           abc: 'Abracadabra',
+          __timestamp: 'Time',
         },
       ),
     ).toEqual([