diff --git a/packages/grafana-data/src/valueFormats/dateTimeFormatters.test.ts b/packages/grafana-data/src/valueFormats/dateTimeFormatters.test.ts
index 62e79953d71..4eed3fea6ad 100644
--- a/packages/grafana-data/src/valueFormats/dateTimeFormatters.test.ts
+++ b/packages/grafana-data/src/valueFormats/dateTimeFormatters.test.ts
@@ -25,7 +25,7 @@ describe('date time formats', () => {
 
   it('should format as iso date (in UTC)', () => {
     const expected = utcTime.format('YYYY-MM-DD HH:mm:ss');
-    const actual = dateTimeAsIso(epoch, 0, 0);
+    const actual = dateTimeAsIso(epoch, 0, 0, 'utc');
     expect(actual.text).toBe(expected);
   });