diff --git a/frontend/src/app/modules/login/login/login.component.ts b/frontend/src/app/modules/login/login/login.component.ts
index 691a6d410c..6b6f9ac4af 100644
--- a/frontend/src/app/modules/login/login/login.component.ts
+++ b/frontend/src/app/modules/login/login/login.component.ts
@@ -48,13 +48,13 @@ export class LoginComponent implements OnInit {
   }
 
   ngOnInit() {
-    if (this.config.CAS_PUBLIC.CAS_AUTHENTIFICATION) {
-      // if token not here here, redirection to CAS login page
-      const url_redirection_cas = `${this.config.CAS_PUBLIC.CAS_URL_LOGIN}?service=${this.config.API_ENDPOINT}/gn_auth/login_cas`;
-      if (!this._authService.isLoggedIn()) {
-        document.location.href = url_redirection_cas;
-      }
-    }
+    // if (this.config.CAS_PUBLIC.CAS_AUTHENTIFICATION) {
+    //   // if token not here here, redirection to CAS login page
+    //   const url_redirection_cas = `${this.config.CAS_PUBLIC.CAS_URL_LOGIN}?service=${this.config.API_ENDPOINT}/gn_auth/login_cas`;
+    //   if (!this._authService.isLoggedIn()) {
+    //     document.location.href = url_redirection_cas;
+    //   }
+    // }
   }
 
   async register(user) {
diff --git a/frontend/src/app/routing/app-routing.module.ts b/frontend/src/app/routing/app-routing.module.ts
index d29f5b5c22..398851f52c 100644
--- a/frontend/src/app/routing/app-routing.module.ts
+++ b/frontend/src/app/routing/app-routing.module.ts
@@ -40,7 +40,7 @@ const defaultRoutes: Routes = [
   {
     path: '',
     component: NavHomeComponent,
-    canActivate: [UserCasGuard],
+    // canActivate: [UserCasGuard],
     canActivateChild: [AuthGuard],
     children: [
       {
diff --git a/frontend/src/app/routing/auth-guard.service.ts b/frontend/src/app/routing/auth-guard.service.ts
index a5d3db3406..14a159372f 100644
--- a/frontend/src/app/routing/auth-guard.service.ts
+++ b/frontend/src/app/routing/auth-guard.service.ts
@@ -6,6 +6,8 @@ import {
   RouterStateSnapshot,
 } from '@angular/router';
 import { Injectable, Injector } from '@angular/core';
+import { HttpClient } from '@angular/common/http';
+
 import { AuthService } from '@geonature/components/auth/auth.service';
 import { ModuleService } from '@geonature/services/module.service';
 import { ConfigService } from '@geonature/services/config.service';
@@ -15,7 +17,10 @@ import { RoutingService } from './routing.service';
 export class AuthGuard implements CanActivate, CanActivateChild {
   constructor(
     private _router: Router,
-    private _injector: Injector
+    private _injector: Injector,
+    private _httpclient: HttpClient,
+    private config: ConfigService,
+    private _authService: AuthService
   ) {}
 
   async redirectAuth(route, state) {
@@ -38,12 +43,20 @@ export class AuthGuard implements CanActivate, CanActivateChild {
             return false;
           });
         if (data) {
-          await authService.manageUser(data).toPromise();
+          authService.manageUser(data);
           const modules = await moduleService.loadModules().toPromise();
-          routingService.loadRoutes(modules, route._routerState.url);
+          routingService.loadRoutes(modules, this.getNewURLWithoutAccessPublic(route));
         } else {
           return false;
         }
+      } else if (configService.CAS_PUBLIC.CAS_AUTHENTIFICATION) {
+        const url_redirection_cas = `${configService.CAS_PUBLIC.CAS_URL_LOGIN}?service=${configService.API_ENDPOINT}/gn_auth/login_cas`;
+        document.location.href = url_redirection_cas;
+        let data = await this._httpclient
+          .get(`${this.config.API_ENDPOINT}/auth/get_current_user`)
+          .toPromise();
+        data = { ...data };
+        this._authService.manageUser(data);
       } else {
         this._router.navigate(['/login'], {
           queryParams: { ...route.queryParams, ...{ route: state.url.split('?')[0] } },
@@ -64,4 +77,15 @@ export class AuthGuard implements CanActivate, CanActivateChild {
   canActivateChild(route: ActivatedRouteSnapshot, state: RouterStateSnapshot) {
     return this.redirectAuth(route, state);
   }
+
+  getNewURLWithoutAccessPublic(route) {
+    const queryParams = { ...route.queryParams };
+    delete queryParams.access;
+    const path = route.url[0] ? route.url[0].path : '';
+    const urlTree = this._router.createUrlTree([path], {
+      queryParams,
+      queryParamsHandling: 'merge',
+    });
+    return this._router.serializeUrl(urlTree);
+  }
 }