diff --git a/nodejs/src/cdp/services/messaging/email.service.test.ts b/nodejs/src/cdp/services/messaging/email.service.test.ts
index a50885b752b7..adf73135e11a 100644
--- a/nodejs/src/cdp/services/messaging/email.service.test.ts
+++ b/nodejs/src/cdp/services/messaging/email.service.test.ts
@@ -420,6 +420,7 @@ describe('EmailService', () => {
                 // than the upper bound + scheduler overhead.
                 expect(scheduledMs).toBeGreaterThanOrEqual(before + 400)
                 expect(scheduledMs).toBeLessThan(before + 2000)
+                expect(result.invocation.queueParameters).toEqual(invocation.queueParameters)
                 // No business metric emitted on throttle — the eventual retry
                 // will produce email_sent.
                 expect(result.metrics ?? []).toEqual([])
diff --git a/nodejs/src/cdp/services/messaging/email.service.ts b/nodejs/src/cdp/services/messaging/email.service.ts
index 8c906c3f8657..f1c3571e49f6 100644
--- a/nodejs/src/cdp/services/messaging/email.service.ts
+++ b/nodejs/src/cdp/services/messaging/email.service.ts
@@ -627,6 +627,7 @@ export class EmailService {
                 // catches the cases where SES disagrees with our estimate.
                 throttled = true
                 result.finished = false
+                result.invocation.queueParameters = params
                 result.invocation.queueScheduledAt = DateTime.utc().plus({ milliseconds: error.retryAfterMs })
                 addLog('warn', `SES rate-limited (${error.errorCode}); rescheduling email in ${error.retryAfterMs}ms`)
             } else {