diff --git a/packages/server/src/api/controllers/automation.js b/packages/server/src/api/controllers/automation.js
index d0c0ac4e69..60a0928e33 100644
--- a/packages/server/src/api/controllers/automation.js
+++ b/packages/server/src/api/controllers/automation.js
@@ -205,7 +205,7 @@ exports.test = async function (ctx) {
   // save a test history run
   await updateTestHistory(ctx.appId, automation, {
     ...ctx.request.body,
-    occurredAt: new Date().toISOString(),
+    occurredAt: new Date().getTime(),
   })
   await clearTestFlag(automation._id)
   ctx.body = response
diff --git a/packages/server/src/api/routes/tests/metadata.spec.js b/packages/server/src/api/routes/tests/metadata.spec.js
index 68a7b5dbd3..5befd492a2 100644
--- a/packages/server/src/api/routes/tests/metadata.spec.js
+++ b/packages/server/src/api/routes/tests/metadata.spec.js
@@ -46,6 +46,7 @@ describe("/metadata", () => {
       const metadata = await getMetadata(MetadataTypes.AUTOMATION_TEST_HISTORY)
       expect(metadata).toBeDefined()
       expect(metadata.history.length).toBe(1)
+      expect(typeof metadata.history[0].occurredAt).toBe("number")
     })
   })