diff --git a/packages/proto-signing/src/directsecp256k1hdwallet.ts b/packages/proto-signing/src/directsecp256k1hdwallet.ts
index e6c993ab..51d06ef5 100644
--- a/packages/proto-signing/src/directsecp256k1hdwallet.ts
+++ b/packages/proto-signing/src/directsecp256k1hdwallet.ts
@@ -91,7 +91,11 @@ export class DirectSecp256k1HdWallet implements OfflineDirectSigner {
   private readonly accounts: readonly Secp256k1Derivation[];
 
   protected constructor(mnemonic: EnglishMnemonic, options: DirectSecp256k1HdWalletConstructorOptions) {
-    const { seed, hdPaths, prefix } = { ...defaultOptions, ...options };
+    const { seed, hdPaths, prefix } = {
+      seed: options.seed,
+      prefix: options.prefix ?? defaultOptions.prefix,
+      hdPaths: options.hdPaths ?? defaultOptions.hdPaths,
+    };
     this.secret = mnemonic;
     this.seed = seed;
     this.accounts = hdPaths.map((hdPath) => ({