diff --git a/package-lock.json b/package-lock.json
index 1c96247..c97ef0e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@mobicoop/ad",
-  "version": "2.2.2",
+  "version": "2.2.3",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@mobicoop/ad",
-      "version": "2.2.2",
+      "version": "2.2.3",
       "license": "AGPL",
       "dependencies": {
         "@grpc/grpc-js": "^1.9.5",
diff --git a/package.json b/package.json
index 8b2c071..817637b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mobicoop/ad",
-  "version": "2.2.2",
+  "version": "2.2.3",
   "description": "Mobicoop V3 Ad",
   "author": "sbriat",
   "private": true,
diff --git a/src/app.constants.ts b/src/app.constants.ts
index a89d54b..921a3b9 100644
--- a/src/app.constants.ts
+++ b/src/app.constants.ts
@@ -5,6 +5,9 @@ export const SERVICE_NAME = 'ad';
 export const GRPC_PACKAGE_NAME = 'ad';
 export const GRPC_SERVICE_NAME = 'AdService';
 
+// messaging
+export const AD_CREATED_ROUTING_KEY = 'ad.created';
+
 // configuration
 export const SERVICE_CONFIGURATION_SET_QUEUE = 'ad-configuration-set';
 export const SERVICE_CONFIGURATION_DELETE_QUEUE = 'ad-configuration-delete';
diff --git a/src/modules/ad/ad.constants.ts b/src/modules/ad/ad.constants.ts
deleted file mode 100644
index 415925e..0000000
--- a/src/modules/ad/ad.constants.ts
+++ /dev/null
@@ -1 +0,0 @@
-export const MESSAGER_AD_CREATED_ROUTING_KEY = 'ad.created';
diff --git a/src/modules/ad/core/application/event-handlers/publish-message-when-ad-is-created.domain-event-handler.ts b/src/modules/ad/core/application/event-handlers/publish-message-when-ad-is-created.domain-event-handler.ts
index 24f72fd..1acae44 100644
--- a/src/modules/ad/core/application/event-handlers/publish-message-when-ad-is-created.domain-event-handler.ts
+++ b/src/modules/ad/core/application/event-handlers/publish-message-when-ad-is-created.domain-event-handler.ts
@@ -3,7 +3,7 @@ import { OnEvent } from '@nestjs/event-emitter';
 import { AdCreatedDomainEvent } from '../../domain/events/ad-created.domain-events';
 import { MessagePublisherPort } from '@mobicoop/ddd-library';
 import { AD_MESSAGE_PUBLISHER } from '@modules/ad/ad.di-tokens';
-import { MESSAGER_AD_CREATED_ROUTING_KEY } from '@modules/ad/ad.constants';
+import { AD_CREATED_ROUTING_KEY } from '@src/app.constants';
 
 @Injectable()
 export class PublishMessageWhenAdIsCreatedDomainEventHandler {
@@ -15,7 +15,7 @@ export class PublishMessageWhenAdIsCreatedDomainEventHandler {
   @OnEvent(AdCreatedDomainEvent.name, { async: true, promisify: true })
   async handle(event: AdCreatedDomainEvent): Promise<any> {
     this.messagePublisher.publish(
-      MESSAGER_AD_CREATED_ROUTING_KEY,
+      AD_CREATED_ROUTING_KEY,
       JSON.stringify(event),
     );
   }
diff --git a/src/modules/ad/tests/unit/core/publish-message-when-ad-is-created.domain-event-handler.spec.ts b/src/modules/ad/tests/unit/core/publish-message-when-ad-is-created.domain-event-handler.spec.ts
index 3d0386d..a4c98cb 100644
--- a/src/modules/ad/tests/unit/core/publish-message-when-ad-is-created.domain-event-handler.spec.ts
+++ b/src/modules/ad/tests/unit/core/publish-message-when-ad-is-created.domain-event-handler.spec.ts
@@ -3,7 +3,7 @@ import { PublishMessageWhenAdIsCreatedDomainEventHandler } from '@modules/ad/cor
 import { AdCreatedDomainEvent } from '@modules/ad/core/domain/events/ad-created.domain-events';
 import { Test, TestingModule } from '@nestjs/testing';
 import { AD_MESSAGE_PUBLISHER } from '@modules/ad/ad.di-tokens';
-import { MESSAGER_AD_CREATED_ROUTING_KEY } from '@modules/ad/ad.constants';
+import { AD_CREATED_ROUTING_KEY } from '@src/app.constants';
 
 const mockMessagePublisher = {
   publish: jest.fn().mockImplementation(),
@@ -81,7 +81,7 @@ describe('Publish message when ad is created domain event handler', () => {
     expect(publishMessageWhenAdIsCreatedDomainEventHandler).toBeDefined();
     expect(mockMessagePublisher.publish).toHaveBeenCalledTimes(1);
     expect(mockMessagePublisher.publish).toHaveBeenCalledWith(
-      MESSAGER_AD_CREATED_ROUTING_KEY,
+      AD_CREATED_ROUTING_KEY,
       '{"id":"some-domain-event-id","aggregateId":"some-aggregate-id","userId":"some-user-id","driver":false,"passenger":true,"frequency":"PUNCTUAL","fromDate":"2023-06-28","toDate":"2023-06-28","schedule":[{"day":3,"time":"07:15","margin":900}],"seatsProposed":3,"seatsRequested":1,"strict":false,"waypoints":[{"position":0,"houseNumber":"5","street":"Avenue Foch","locality":"Nancy","postalCode":"54000","country":"France","lat":48.689445,"lon":6.1765102},{"position":1,"locality":"Paris","postalCode":"75000","country":"France","lat":48.8566,"lon":2.3522}],"metadata":{"timestamp":1687928400000,"correlationId":"some-correlation-id"}}',
     );
   });