diff --git a/packages/store/src/wallet-manager/chain-wallet-store.ts b/packages/store/src/wallet-manager/chain-wallet-store.ts
index a41bd06c1..9dada020f 100644
--- a/packages/store/src/wallet-manager/chain-wallet-store.ts
+++ b/packages/store/src/wallet-manager/chain-wallet-store.ts
@@ -112,13 +112,13 @@ export class ChainWalletStore extends BaseWallet {
     const aminoOfflineSigner = {
       getAccounts: async () => [account],
       signAmino: async (signer: string, signDoc: StdSignDoc) => {
-        return cosmosWallet.signAmino(this.chain.chainId, signer, signDoc, {});
+        return cosmosWallet.signAmino(this.chain.chainId, signer, signDoc, undefined);
       }
     };
     const directOfflineSigner = {
       getAccounts: async () => [account],
       signDirect: async (signer: string, signDoc: DirectSignDoc) => {
-        return cosmosWallet.signDirect(this.chain.chainId, signer, signDoc, {});
+        return cosmosWallet.signDirect(this.chain.chainId, signer, signDoc, undefined);
       }
     };
 
@@ -135,4 +135,4 @@ export class ChainWalletStore extends BaseWallet {
   getWalletOfType<T>(WalletClass: new (...args: any[]) => T) {
     return getWalletByType(this.wallet, WalletClass);
   }
-}
\ No newline at end of file
+}