diff --git a/apps/red-ui/src/app/services/dossiers/dossier-changes.service.ts b/apps/red-ui/src/app/services/dossiers/dossier-changes.service.ts
index 7149d9d95..00a784754 100644
--- a/apps/red-ui/src/app/services/dossiers/dossier-changes.service.ts
+++ b/apps/red-ui/src/app/services/dossiers/dossier-changes.service.ts
@@ -1,4 +1,4 @@
-import { GenericService, LAST_CHECKED_OFFSET, QueryParam, ROOT_CHANGES_KEY } from '@iqser/common-ui';
+import { GenericService, QueryParam, ROOT_CHANGES_KEY } from '@iqser/common-ui';
 import { Dossier, DossierStats, IDossierChanges } from '@red/domain';
 import { forkJoin, Observable, of, Subscription, throwError, timer } from 'rxjs';
 import { catchError, filter, map, switchMap, take, tap } from 'rxjs/operators';
@@ -47,7 +47,7 @@ export class DossiersChangesService extends GenericService<Dossier> implements O
 
     hasChangesDetails$(): Observable<IDossierChanges> {
         const body = { value: this._lastCheckedForChanges.get(ROOT_CHANGES_KEY) };
-        const dateBeforeRequest = new Date(Date.now() - LAST_CHECKED_OFFSET).toISOString();
+        const dateBeforeRequest = new Date().toISOString();
 
         this.#logger.info('[DOSSIERS_CHANGES] Check with Last Checked Date', body.value);
 
diff --git a/apps/red-ui/src/app/services/notifications.service.ts b/apps/red-ui/src/app/services/notifications.service.ts
index ad596231b..6b9fef61c 100644
--- a/apps/red-ui/src/app/services/notifications.service.ts
+++ b/apps/red-ui/src/app/services/notifications.service.ts
@@ -1,7 +1,7 @@
 import { inject, Injectable, OnDestroy } from '@angular/core';
 import { EntitiesService, getConfig, QueryParam } from '@iqser/common-ui';
 import { TranslateService } from '@ngx-translate/core';
-import { EMPTY, firstValueFrom, iif, merge, Observable, of, Subscription, timer } from 'rxjs';
+import { EMPTY, firstValueFrom, merge, Observable, of, Subscription, timer } from 'rxjs';
 import { AppConfig, Dossier, INotification, Notification, NotificationTypes } from '@red/domain';
 import { map, switchMap, tap } from 'rxjs/operators';
 import { notificationsTranslations } from '@translations/notifications-translations';
@@ -141,6 +141,14 @@ export class NotificationsService extends EntitiesService<INotification, Notific
     }
 
     #loadNotificationsIfChanged(): Observable<Notification[]> {
-        return this.hasChanges$().pipe(switchMap(changed => iif(() => changed, this.loadAll(), EMPTY)));
+        return this.hasChanges$().pipe(
+            switchMap(changed => {
+                if (changed) {
+                    return this.loadAll();
+                } else {
+                    return EMPTY;
+                }
+            }),
+        );
     }
 }