diff --git a/cypress/e2e/list/list-view-gantt.spec.ts b/cypress/e2e/list/list-view-gantt.spec.ts
index 2891b2784..b5dc8fa08 100644
--- a/cypress/e2e/list/list-view-gantt.spec.ts
+++ b/cypress/e2e/list/list-view-gantt.spec.ts
@@ -67,8 +67,8 @@ describe('List View Gantt', () => {
 
 		const now = new Date()
 		TaskFactory.create(1, {
-			start_date: formatISO(now),
-			end_date: formatISO(now.setDate(now.getDate() + 4)),
+			start_date: now.toISOString(),
+			end_date: new Date(new Date(now).setDate(now.getDate() + 4)).toISOString(),
 		})
 		cy.visit('/lists/1/gantt')