diff --git a/frontend/src/ts/modules/security/guard/auth.guard.ts b/frontend/src/ts/modules/security/guard/auth.guard.ts
index 581218e..fb1b936 100644
--- a/frontend/src/ts/modules/security/guard/auth.guard.ts
+++ b/frontend/src/ts/modules/security/guard/auth.guard.ts
@@ -41,6 +41,7 @@ export abstract class AuthGuard implements CanActivate {
         let consoleError = error + ', error description = ' + errorDescription;
         this.messageService.error(errorMessage);
         console.error(consoleError);
+        return false;
       }
       if (code && state) {
         const params = new HttpParams().set('code', code).set('state', state);