diff --git a/apps/meteor/app/livechat/server/lib/QueueManager.ts b/apps/meteor/app/livechat/server/lib/QueueManager.ts
index 2075a5e9af97..e1ea79d84163 100644
--- a/apps/meteor/app/livechat/server/lib/QueueManager.ts
+++ b/apps/meteor/app/livechat/server/lib/QueueManager.ts
@@ -223,7 +223,7 @@ export class QueueManager {
 
 		const name = (roomInfo?.fname as string) || guest.name || guest.username;
 
-		const room = await createLivechatRoom(rid, name, guest, roomInfo, {
+		const room = await createLivechatRoom(rid, name, { ...guest, ...(department && { department }) }, roomInfo, {
 			...extraData,
 			...(Boolean(customFields) && { customFields }),
 		});
diff --git a/apps/meteor/tests/data/livechat/department.ts b/apps/meteor/tests/data/livechat/department.ts
index 47d0f7f2b468..fa37e698c52c 100644
--- a/apps/meteor/tests/data/livechat/department.ts
+++ b/apps/meteor/tests/data/livechat/department.ts
@@ -38,7 +38,16 @@ const updateDepartment = async (departmentId: string, departmentData: Partial<Li
 	return response.body.department;
 };
 
-const createDepartmentWithMethod = (initialAgents: { agentId: string; username: string }[] = [], allowReceiveForwardOffline = false) =>
+const createDepartmentWithMethod = (
+	initialAgents: { agentId: string; username: string }[] = [],
+	{
+		allowReceiveForwardOffline = false,
+		fallbackForwardDepartment,
+	}: {
+		allowReceiveForwardOffline?: boolean;
+		fallbackForwardDepartment?: string;
+	} = {},
+) =>
 	new Promise((resolve, reject) => {
 		void request
 			.post(methodCall('livechat:saveDepartment'))
@@ -56,6 +65,7 @@ const createDepartmentWithMethod = (initialAgents: { agentId: string; username:
 							name: `new department ${Date.now()}`,
 							description: 'created from api',
 							allowReceiveForwardOffline,
+							fallbackForwardDepartment,
 						},
 						initialAgents,
 					],
@@ -126,8 +136,10 @@ export const addOrRemoveAgentFromDepartment = async (
 
 export const createDepartmentWithAnOfflineAgent = async ({
 	allowReceiveForwardOffline = false,
+	fallbackForwardDepartment,
 }: {
-	allowReceiveForwardOffline: boolean;
+	allowReceiveForwardOffline?: boolean;
+	fallbackForwardDepartment?: string;
 }): Promise<{
 	department: ILivechatDepartment;
 	agent: {
@@ -137,7 +149,10 @@ export const createDepartmentWithAnOfflineAgent = async ({
 }> => {
 	const { user, credentials } = await createAnOfflineAgent();
 
-	const department = (await createDepartmentWithMethod(undefined, allowReceiveForwardOffline)) as ILivechatDepartment;
+	const department = (await createDepartmentWithMethod(undefined, {
+		allowReceiveForwardOffline,
+		fallbackForwardDepartment,
+	})) as ILivechatDepartment;
 
 	await addOrRemoveAgentFromDepartment(department._id, { agentId: user._id, username: user.username }, true);
 
diff --git a/apps/meteor/tests/end-to-end/api/livechat/00-rooms.ts b/apps/meteor/tests/end-to-end/api/livechat/00-rooms.ts
index 23f6d35d2acd..15f983927cf3 100644
--- a/apps/meteor/tests/end-to-end/api/livechat/00-rooms.ts
+++ b/apps/meteor/tests/end-to-end/api/livechat/00-rooms.ts
@@ -1001,6 +1001,45 @@ describe('LIVECHAT - rooms', () => {
 			roomId = newRoom._id;
 			visitorToken = newVisitor.token;
 		});
+		(IS_EE ? describe : describe.skip)('fallback department', () => {
+			let fallbackDepartment: Awaited<ReturnType<typeof createDepartmentWithAnOnlineAgent>>['department'];
+			let initialDepartment: Awaited<ReturnType<typeof createDepartmentWithAnOfflineAgent>>['department'];
+			let newVisitor: ILivechatVisitor;
+			let latestRoom: IOmnichannelRoom;
+			before(async () => {
+				await updateSetting('Livechat_Routing_Method', 'Auto_Selection');
+
+				fallbackDepartment = (await createDepartmentWithAnOnlineAgent()).department;
+				initialDepartment = (
+					await createDepartmentWithAnOfflineAgent({
+						fallbackForwardDepartment: fallbackDepartment._id,
+					})
+				).department;
+
+				expect(initialDepartment.fallbackForwardDepartment).to.be.equal(fallbackDepartment._id);
+			});
+
+			after(async () => {
+				await Promise.all([
+					deleteDepartment(fallbackDepartment._id),
+					deleteDepartment(initialDepartment._id),
+					deleteVisitor(newVisitor._id),
+					closeOmnichannelRoom(latestRoom._id),
+				]);
+			});
+
+			it('should redirect chat to fallback department when all agents in the initial department are offline', async () => {
+				await updateSetting('Livechat_Routing_Method', 'Auto_Selection');
+
+				newVisitor = await createVisitor(initialDepartment._id);
+				const newRoom = await createLivechatRoom(newVisitor.token);
+
+				latestRoom = await getLivechatRoomInfo(newRoom._id);
+
+				expect(latestRoom).to.have.property('departmentId');
+				expect(latestRoom.departmentId).to.be.equal(fallbackDepartment._id);
+			});
+		});
 		(IS_EE ? it : it.skip)('system messages sent on transfer should be properly generated', async () => {
 			const messagesList = await fetchMessages(roomId, visitorToken);