diff --git a/packages/@o3r/routing/src/tools/app-server-routing.module.ts b/packages/@o3r/routing/src/tools/app-server-routing.module.ts
index 81e4eced75..95758414d8 100644
--- a/packages/@o3r/routing/src/tools/app-server-routing.module.ts
+++ b/packages/@o3r/routing/src/tools/app-server-routing.module.ts
@@ -6,8 +6,9 @@ import {
   ModuleWithProviders,
   NgModule,
 } from '@angular/core';
-import type {
-  BuildTimeProperties,
+import {
+  type BuildTimeProperties,
+  DEFAULT_BUILD_PROPERTIES,
 } from '@o3r/core';
 
 /**
@@ -38,11 +39,11 @@ export class AppServerRoutingModule {
    * Injects the APP_BASE_HREF with a custom factory
    * @param config The application environment configuration
    */
-  public static forRoot(config: BuildTimeProperties): ModuleWithProviders<AppServerRoutingModule> {
+  public static forRoot(config: Partial<BuildTimeProperties>): ModuleWithProviders<AppServerRoutingModule> {
     return {
       ngModule: AppServerRoutingModule,
       providers: [
-        { provide: ENVIRONMENT_CONFIG_TOKEN, useValue: config },
+        { provide: ENVIRONMENT_CONFIG_TOKEN, useValue: { ...DEFAULT_BUILD_PROPERTIES, ...config } },
         {
           provide: APP_BASE_HREF,
           useFactory: appBaseHrefFactory,