diff --git a/packages/dapp-toolkit/src/modules/wallet-request/crypto/curve25519.spec.ts b/packages/dapp-toolkit/src/modules/wallet-request/crypto/curve25519.spec.ts
index e5224ad4..5cc8e30c 100644
--- a/packages/dapp-toolkit/src/modules/wallet-request/crypto/curve25519.spec.ts
+++ b/packages/dapp-toolkit/src/modules/wallet-request/crypto/curve25519.spec.ts
@@ -35,7 +35,7 @@ describe('Curve25519', () => {
     })
 
     expect(sharedSecretResult.value).toBe(
-      'e9278143a272e9cce596335d0f29e0194305a2a00b57501bc4c21a432d5c2b49264231657e186b6e70a13da4bbf23be6',
+      'e9278143a272e9cce596335d0f29e0194305a2a00b57501bc4c21a432d5c2b49',
     )
   })
 })
diff --git a/packages/dapp-toolkit/src/modules/wallet-request/crypto/curve25519.ts b/packages/dapp-toolkit/src/modules/wallet-request/crypto/curve25519.ts
index 8a4071d8..407704a2 100644
--- a/packages/dapp-toolkit/src/modules/wallet-request/crypto/curve25519.ts
+++ b/packages/dapp-toolkit/src/modules/wallet-request/crypto/curve25519.ts
@@ -40,7 +40,7 @@ export const Curve25519: KeyPairProvider = (
           sharedSecret,
           Buffer.from(dAppDefinitionAddress, 'utf-8'),
           'RCfM',
-          48,
+          32,
         )
         return ok(toHex(derived))
       } catch (error) {