diff --git a/libs/vault/src/cipher-form/services/default-cipher-form-cache.service.spec.ts b/libs/vault/src/cipher-form/services/default-cipher-form-cache.service.spec.ts
index c4fbfe7640d..4693c8ebf09 100644
--- a/libs/vault/src/cipher-form/services/default-cipher-form-cache.service.spec.ts
+++ b/libs/vault/src/cipher-form/services/default-cipher-form-cache.service.spec.ts
@@ -2,6 +2,7 @@ import { signal } from "@angular/core";
 import { TestBed } from "@angular/core/testing";
 
 import { ViewCacheService } from "@bitwarden/angular/platform/view-cache";
+import { Cipher } from "@bitwarden/common/vault/models/domain/cipher";
 import { CipherView } from "@bitwarden/common/vault/models/view/cipher.view";
 
 import { CipherFormCacheService } from "./default-cipher-form-cache.service";
@@ -36,9 +37,10 @@ describe("CipherFormCacheService", () => {
     it("updates the signal value", async () => {
       service = testBed.inject(CipherFormCacheService);
 
-      service.cacheCipherView({ id: "cipher-5" } as CipherView);
+      service.cacheCipherView(new CipherView({ id: "cipher-5" } as Cipher));
 
-      expect(cacheSignal.set).toHaveBeenCalledWith({ id: "cipher-5" });
+      expect(cacheSignal.set).toHaveBeenCalledWith(expect.any(CipherView)); // Ensure we keep the CipherView prototype
+      expect(cacheSignal.set).toHaveBeenCalledWith(expect.objectContaining({ id: "cipher-5" }));
     });
 
     describe("initializedWithValue", () => {
diff --git a/libs/vault/src/cipher-form/services/default-cipher-form-cache.service.ts b/libs/vault/src/cipher-form/services/default-cipher-form-cache.service.ts
index 73ec6549756..25581ae5ea1 100644
--- a/libs/vault/src/cipher-form/services/default-cipher-form-cache.service.ts
+++ b/libs/vault/src/cipher-form/services/default-cipher-form-cache.service.ts
@@ -1,4 +1,5 @@
 import { inject, Injectable } from "@angular/core";
+import { Jsonify } from "type-fest";
 
 import { ViewCacheService } from "@bitwarden/angular/platform/view-cache";
 import { CipherView } from "@bitwarden/common/vault/models/view/cipher.view";
@@ -32,10 +33,10 @@ export class CipherFormCacheService {
    * Update the cache with the new CipherView.
    */
   cacheCipherView(cipherView: CipherView): void {
-    // Create a new shallow reference to force the signal to update
+    // Create a new reference to force the signal to update
     // By default, signals use `Object.is` to determine equality
     // Docs: https://angular.dev/guide/signals#signal-equality-functions
-    this.cipherCache.set({ ...cipherView } as CipherView);
+    this.cipherCache.set(CipherView.fromJSON(cipherView as Jsonify<CipherView>));
   }
 
   /**