diff --git a/src/app/core/auth/auth.service.ts b/src/app/core/auth/auth.service.ts
index 7d854d9d4de..a0e33fc40c9 100644
--- a/src/app/core/auth/auth.service.ts
+++ b/src/app/core/auth/auth.service.ts
@@ -21,8 +21,8 @@ import {
   getAuthenticationToken,
   getRedirectUrl,
   isAuthenticated,
-  isTokenRefreshing,
-  isAuthenticatedLoaded
+  isAuthenticatedLoaded,
+  isTokenRefreshing
 } from './selectors';
 import { AppState, routerStateSelector } from '../../app.reducer';
 import {
@@ -34,7 +34,7 @@ import { NativeWindowRef, NativeWindowService } from '../services/window.service
 import { Base64EncodeUrl } from '../../shared/utils/encode-decode.util';
 import { RouteService } from '../services/route.service';
 import { EPersonDataService } from '../eperson/eperson-data.service';
-import { getAllSucceededRemoteDataPayload } from '../shared/operators';
+import { getAllSucceededRemoteDataPayload, getFinishedRemoteData, getRemoteDataPayload } from '../shared/operators';
 import { AuthMethod } from './models/auth.method';
 
 export const LOGIN_ROUTE = '/login';
@@ -206,8 +206,9 @@ export class AuthService {
     return this.store.pipe(
       select(getAuthenticatedUserId),
       hasValueOperator(),
-      switchMap((id: string) => this.epersonService.findById(id) ),
-      getAllSucceededRemoteDataPayload()
+      switchMap((id: string) => this.epersonService.findById(id)),
+      getFinishedRemoteData(),
+      getRemoteDataPayload(),
     )
   }
 
diff --git a/src/app/core/locale/locale.service.ts b/src/app/core/locale/locale.service.ts
index b7f9314a337..3fc637ff3bf 100644
--- a/src/app/core/locale/locale.service.ts
+++ b/src/app/core/locale/locale.service.ts
@@ -1,4 +1,4 @@
-import { Injectable, Inject } from '@angular/core';
+import { Inject, Injectable } from '@angular/core';
 
 import { TranslateService } from '@ngx-translate/core';
 
@@ -6,9 +6,9 @@ import { isEmpty, isNotEmpty } from '../../shared/empty.util';
 import { CookieService } from '../services/cookie.service';
 import { environment } from '../../../environments/environment';
 import { AuthService } from '../auth/auth.service';
-import { Observable, of as observableOf, combineLatest } from 'rxjs';
-import { map, take, flatMap } from 'rxjs/operators';
-import { NativeWindowService, NativeWindowRef } from '../services/window.service';
+import { combineLatest, Observable, of as observableOf } from 'rxjs';
+import { flatMap, map, take } from 'rxjs/operators';
+import { NativeWindowRef, NativeWindowService } from '../services/window.service';
 
 export const LANG_COOKIE = 'language_cookie';
 
@@ -19,7 +19,7 @@ export enum LANG_ORIGIN {
   UI,
   EPERSON,
   BROWSER
-};
+}
 
 /**
  * Service to provide localization handler
@@ -81,12 +81,14 @@ export class LocaleService {
             take(1),
             map((eperson) => {
               const languages: string[] = [];
-              const ePersonLang = eperson.firstMetadataValue(this.EPERSON_LANG_METADATA);
-              if (ePersonLang) {
-                languages.push(...this.setQuality(
-                  [ePersonLang],
-                  LANG_ORIGIN.EPERSON,
-                  !isEmpty(this.translate.currentLang)));
+              if (eperson) {
+                const ePersonLang = eperson.firstMetadataValue(this.EPERSON_LANG_METADATA);
+                if (ePersonLang) {
+                  languages.push(...this.setQuality(
+                    [ePersonLang],
+                    LANG_ORIGIN.EPERSON,
+                    !isEmpty(this.translate.currentLang)));
+                }
               }
               return languages;
             })