diff --git a/.changeset/green-camels-repair.md b/.changeset/green-camels-repair.md
new file mode 100644
index 000000000000..58b0f6f1a00c
--- /dev/null
+++ b/.changeset/green-camels-repair.md
@@ -0,0 +1,5 @@
+---
+"@rocket.chat/meteor": patch
+---
+
+Fixed 2 issues with `QueueInactivityMonitor` callback. This callback was in charge of scheduling the job that would close the inquiry, but it was checking on a property that didn't exist. This caused the callback to early return without scheduling the job, making the feature to not to work.
diff --git a/apps/meteor/ee/app/livechat-enterprise/server/hooks/afterInquiryQueued.ts b/apps/meteor/ee/app/livechat-enterprise/server/hooks/afterInquiryQueued.ts
index cb6993b38aec..4dfb3fc9d6eb 100644
--- a/apps/meteor/ee/app/livechat-enterprise/server/hooks/afterInquiryQueued.ts
+++ b/apps/meteor/ee/app/livechat-enterprise/server/hooks/afterInquiryQueued.ts
@@ -1,3 +1,4 @@
+import type { ILivechatInquiryRecord } from '@rocket.chat/core-typings';
 import moment from 'moment';
 
 import { settings } from '../../../../../app/settings/server';
@@ -5,28 +6,27 @@ import { callbacks } from '../../../../../lib/callbacks';
 import { OmnichannelQueueInactivityMonitor } from '../lib/QueueInactivityMonitor';
 import { cbLogger } from '../lib/logger';
 
-let timer = 0;
-
-const scheduleInquiry = async (inquiry: any): Promise<void> => {
-	if (!inquiry?._id) {
+export const afterInquiryQueued = async (inquiry: ILivechatInquiryRecord) => {
+	if (!inquiry?._id || !inquiry?._updatedAt) {
 		return;
 	}
 
-	if (!inquiry?._updatedAt || !inquiry?._createdAt) {
+	const timer = settings.get<number>('Livechat_max_queue_wait_time');
+
+	if (timer <= 0) {
 		return;
 	}
 
 	// schedule individual jobs instead of property for close inactivty
-	const newQueueTime = moment(inquiry._updatedAt || inquiry._createdAt).add(timer, 'minutes');
+	const newQueueTime = moment(inquiry._updatedAt).add(timer, 'minutes');
 	cbLogger.debug(`Scheduling estimated close time at ${newQueueTime} for queued inquiry ${inquiry._id}`);
 	await OmnichannelQueueInactivityMonitor.scheduleInquiry(inquiry._id, new Date(newQueueTime.format()));
 };
 
-settings.watch('Livechat_max_queue_wait_time', (value) => {
-	timer = value as number;
-	if (timer <= 0) {
+settings.watch<number>('Livechat_max_queue_wait_time', (value) => {
+	if (value <= 0) {
 		callbacks.remove('livechat.afterInquiryQueued', 'livechat-inquiry-queued-set-queue-timer');
 		return;
 	}
-	callbacks.add('livechat.afterInquiryQueued', scheduleInquiry, callbacks.priority.HIGH, 'livechat-inquiry-queued-set-queue-timer');
+	callbacks.add('livechat.afterInquiryQueued', afterInquiryQueued, callbacks.priority.HIGH, 'livechat-inquiry-queued-set-queue-timer');
 });
diff --git a/apps/meteor/ee/tests/unit/apps/livechat-enterprise/server/hooks/afterInquiryQueued.spec.ts b/apps/meteor/ee/tests/unit/apps/livechat-enterprise/server/hooks/afterInquiryQueued.spec.ts
new file mode 100644
index 000000000000..dcbefd1dfd6e
--- /dev/null
+++ b/apps/meteor/ee/tests/unit/apps/livechat-enterprise/server/hooks/afterInquiryQueued.spec.ts
@@ -0,0 +1,120 @@
+import { expect } from 'chai';
+import { describe, it } from 'mocha';
+import moment from 'moment';
+import proxyquire from 'proxyquire';
+import sinon from 'sinon';
+
+const settingStub = {
+	watch: sinon.stub(),
+	get: sinon.stub(),
+};
+
+const callbackStub = {
+	add: sinon.stub(),
+	remove: sinon.stub(),
+	priority: { HIGH: 'high' },
+};
+
+const queueMonitorStub = {
+	scheduleInquiry: sinon.stub(),
+};
+
+const { afterInquiryQueued } = proxyquire
+	.noCallThru()
+	.load('../../../../../../app/livechat-enterprise/server/hooks/afterInquiryQueued.ts', {
+		'../../../../../app/settings/server': {
+			settings: settingStub,
+		},
+		'../../../../../lib/callbacks': {
+			callbacks: callbackStub,
+		},
+		'../lib/QueueInactivityMonitor': {
+			OmnichannelQueueInactivityMonitor: queueMonitorStub,
+		},
+		'../lib/logger': {
+			cbLogger: { debug: sinon.stub() },
+		},
+	});
+
+describe('hooks/afterInquiryQueued', () => {
+	beforeEach(() => {
+		callbackStub.add.resetHistory();
+		callbackStub.remove.resetHistory();
+		queueMonitorStub.scheduleInquiry.resetHistory();
+		settingStub.get.resetHistory();
+	});
+
+	it('should call settings.watch at first', () => {
+		expect(settingStub.watch.callCount).to.be.equal(1);
+	});
+
+	it('should call the callback on settings.watch with proper values', () => {
+		const func = settingStub.watch.getCall(0).args[1];
+
+		func(1);
+		expect(callbackStub.add.callCount).to.be.equal(1);
+
+		func(2);
+		expect(callbackStub.add.callCount).to.be.equal(2);
+
+		func(0);
+		expect(callbackStub.remove.callCount).to.be.equal(1);
+
+		func(-1);
+		expect(callbackStub.remove.callCount).to.be.equal(2);
+
+		func(3);
+		expect(callbackStub.add.callCount).to.be.equal(3);
+	});
+
+	it('should return undefined if no inquiry is passed, or if inquiry doesnt have valid properties', async () => {
+		expect(await afterInquiryQueued(null)).to.be.equal(undefined);
+		expect(await afterInquiryQueued({})).to.be.equal(undefined);
+		expect(await afterInquiryQueued({ _id: 'invalid' })).to.be.equal(undefined);
+		expect(await afterInquiryQueued({ _updatedAt: new Date() }));
+		expect(await afterInquiryQueued({ _updatedAt: null, _id: 'afsd34asdX' })).to.be.equal(undefined);
+	});
+
+	it('should do nothing if timer is set to 0 or less', async () => {
+		const inquiry = {
+			_id: 'afsd34asdX',
+			_updatedAt: new Date(),
+		};
+
+		settingStub.get.returns(0);
+		await afterInquiryQueued(inquiry);
+		expect(queueMonitorStub.scheduleInquiry.callCount).to.be.equal(0);
+
+		settingStub.get.returns(-1);
+		await afterInquiryQueued(inquiry);
+		expect(queueMonitorStub.scheduleInquiry.callCount).to.be.equal(0);
+	});
+
+	it('should call .scheduleInquiry with proper data', async () => {
+		const inquiry = {
+			_id: 'afsd34asdX',
+			_updatedAt: new Date(),
+		};
+
+		settingStub.get.returns(1);
+		await afterInquiryQueued(inquiry);
+
+		const newQueueTime = moment(inquiry._updatedAt).add(1, 'minutes');
+
+		expect(queueMonitorStub.scheduleInquiry.calledWith(inquiry._id, new Date(newQueueTime.format()))).to.be.true;
+	});
+
+	it('should call .scheduleInquiry with proper data when more than 1 min is passed as param', async () => {
+		const inquiry = {
+			_id: 'afv34avzx',
+			_updatedAt: new Date(),
+		};
+
+		settingStub.get.returns(3);
+		await afterInquiryQueued(inquiry);
+
+		const newQueueTime = moment(inquiry._updatedAt).add(3, 'minutes');
+
+		expect(queueMonitorStub.scheduleInquiry.calledWith(inquiry._id, new Date(newQueueTime.format()))).to.be.true;
+	});
+});