diff --git a/packages/identity/src/identity.ts b/packages/identity/src/identity.ts
index 3f64bb07b..24f585cc6 100644
--- a/packages/identity/src/identity.ts
+++ b/packages/identity/src/identity.ts
@@ -20,7 +20,7 @@ export default class Identity {
      * Initializes the class attributes based on the parameters.
      * @param privateKey The secret value used to generate an EdDSA public key.
      */
-    constructor(privateKey: BigNumberish = randomBytes(32)) {
+    constructor(privateKey: BigNumberish = BigInt(`0x${randomBytes(32).toString("hex")}`).toString()) {
         this._privateKey = privateKey
         this._secretScalar = deriveSecretScalar(privateKey)
 
diff --git a/packages/identity/tests/index.test.ts b/packages/identity/tests/index.test.ts
index 4ccbe09e9..261914189 100644
--- a/packages/identity/tests/index.test.ts
+++ b/packages/identity/tests/index.test.ts
@@ -7,7 +7,7 @@ describe("Identity", () => {
         it("Should create a random identity", () => {
             const identity = new Identity()
 
-            expect(Buffer.isBuffer(identity.privateKey)).toBeTruthy()
+            expect(typeof identity.privateKey).toBe("string")
             expect(typeof identity.secretScalar).toBe("string")
             expect(identity.publicKey).toHaveLength(2)
             expect(typeof identity.commitment).toBe("string")