diff --git a/packages/wallet-ts/src/utils/wallets/welldone/WelldoneWallet.ts b/packages/wallet-ts/src/utils/wallets/welldone/WelldoneWallet.ts
index 945632d15..009d3d5d8 100644
--- a/packages/wallet-ts/src/utils/wallets/welldone/WelldoneWallet.ts
+++ b/packages/wallet-ts/src/utils/wallets/welldone/WelldoneWallet.ts
@@ -6,7 +6,6 @@ import {
 } from '@injectivelabs/ts-types'
 import { TxResponse, TxRestApi, CosmosTxV1Beta1Tx } from '@injectivelabs/sdk-ts'
 import { DirectSignResponse, makeSignBytes } from '@cosmjs/proto-signing'
-import { encodeSecp256k1Pubkey } from '@cosmjs/amino'
 import {
   ErrorType,
   UnspecifiedErrorCode,
@@ -112,9 +111,13 @@ export class WelldoneWallet {
       return {
         signed: signDoc,
         signature: {
-          pub_key: encodeSecp256k1Pubkey(
-            Buffer.from(response[0].publicKey.replace('0x', ''), 'hex'),
-          ),
+          pub_key: {
+            type: '/cosmos.crypto.secp256k1.PubKey',
+            value: Buffer.from(
+              response[0].publicKey.replace('0x', ''),
+              'hex',
+            ).toString('base64'),
+          },
           signature: Buffer.from(
             response[0].signature.replace('0x', ''),
             'hex',