diff --git a/tests/javascripts/activityChart.test.js b/tests/javascripts/activityChart.test.js
index 168e69c62..e98737e95 100644
--- a/tests/javascripts/activityChart.test.js
+++ b/tests/javascripts/activityChart.test.js
@@ -199,7 +199,9 @@ test('Fetches data and creates chart and table correctly', async () => {
 
   const data = await fetchData('service');
 
-  expect(global.fetch).toHaveBeenCalledWith(`/services/${currentServiceId}/daily-stats.json`);
+  expect(global.fetch).toHaveBeenCalledWith(
+    `/services/${currentServiceId}/daily-stats.json?timezone=UTC`
+  );
   expect(data).toEqual(mockResponse);
 
   const labels = Object.keys(mockResponse).map(dateString => {