diff --git a/libs/common/src/vault/models/domain/cipher.spec.ts b/libs/common/src/vault/models/domain/cipher.spec.ts
index 63bf0b147a6..c4e1832ae38 100644
--- a/libs/common/src/vault/models/domain/cipher.spec.ts
+++ b/libs/common/src/vault/models/domain/cipher.spec.ts
@@ -845,7 +845,7 @@ describe("Cipher DTO", () => {
         id: "id",
         organizationId: "orgId",
         folderId: "folderId",
-        collectionIds: undefined,
+        collectionIds: [],
         key: "EncryptedString",
         name: "EncryptedString",
         notes: "EncryptedString",