diff --git a/apps/browser/src/vault/popup/components/vault-v2/vault-v2.component.ts b/apps/browser/src/vault/popup/components/vault-v2/vault-v2.component.ts
index 92276ef633f..f8bbb930f72 100644
--- a/apps/browser/src/vault/popup/components/vault-v2/vault-v2.component.ts
+++ b/apps/browser/src/vault/popup/components/vault-v2/vault-v2.component.ts
@@ -170,7 +170,7 @@ export class VaultV2Component implements OnInit, AfterViewInit, OnDestroy {
     this.cipherService
       .failedToDecryptCiphers$(activeUserId)
       .pipe(
-        map((ciphers) => ciphers.filter((c) => !c.isDeleted)),
+        map((ciphers) => (ciphers ? ciphers.filter((c) => !c.isDeleted) : [])),
         filter((ciphers) => ciphers.length > 0),
         take(1),
         takeUntilDestroyed(this.destroyRef),
diff --git a/apps/browser/src/vault/popup/services/vault-popup-items.service.ts b/apps/browser/src/vault/popup/services/vault-popup-items.service.ts
index dac6a141d41..5f2ec858ed6 100644
--- a/apps/browser/src/vault/popup/services/vault-popup-items.service.ts
+++ b/apps/browser/src/vault/popup/services/vault-popup-items.service.ts
@@ -108,7 +108,7 @@ export class VaultPopupItemsService {
             this.cipherService.failedToDecryptCiphers$(userId),
           ]),
         ),
-        map(([ciphers, failedToDecryptCiphers]) => [...failedToDecryptCiphers, ...ciphers]),
+        map(([ciphers, failedToDecryptCiphers]) => [...(failedToDecryptCiphers || []), ...ciphers]),
       ),
     ),
     shareReplay({ refCount: true, bufferSize: 1 }),
diff --git a/apps/browser/src/vault/popup/services/vault-popup-list-filters.service.ts b/apps/browser/src/vault/popup/services/vault-popup-list-filters.service.ts
index 187c8772e88..6cce5796cbe 100644
--- a/apps/browser/src/vault/popup/services/vault-popup-list-filters.service.ts
+++ b/apps/browser/src/vault/popup/services/vault-popup-list-filters.service.ts
@@ -12,7 +12,6 @@ import {
   startWith,
   switchMap,
   take,
-  tap,
 } from "rxjs";
 
 import { CollectionService, CollectionView } from "@bitwarden/admin-console/common";
@@ -360,10 +359,10 @@ export class VaultPopupListFiltersService {
     switchMap((userId) => {
       // Observable of cipher views
       const cipherViews$ = this.cipherService.cipherViews$(userId).pipe(
-        tap((cipherViews) => {
-          this.cipherViews = Object.values(cipherViews);
+        map((ciphers) => {
+          this.cipherViews = ciphers ? Object.values(ciphers) : [];
+          return this.cipherViews;
         }),
-        map((ciphers) => Object.values(ciphers)),
       );
 
       return combineLatest([
diff --git a/libs/common/src/vault/abstractions/cipher.service.ts b/libs/common/src/vault/abstractions/cipher.service.ts
index 1e4275ff89b..2d381faaa8d 100644
--- a/libs/common/src/vault/abstractions/cipher.service.ts
+++ b/libs/common/src/vault/abstractions/cipher.service.ts
@@ -31,7 +31,7 @@ export abstract class CipherService implements UserKeyRotationDataProvider<Ciphe
    *
    * An empty array indicates that all ciphers were successfully decrypted.
    */
-  abstract failedToDecryptCiphers$(userId: UserId): Observable<CipherView[]>;
+  abstract failedToDecryptCiphers$(userId: UserId): Observable<CipherView[] | null>;
   abstract clearCache(userId: UserId): Promise<void>;
   abstract encrypt(
     model: CipherView,