diff --git a/packages/launchpad-ledger/src/launchpadledger.ts b/packages/launchpad-ledger/src/launchpadledger.ts
index cf7a75e0..83019811 100644
--- a/packages/launchpad-ledger/src/launchpadledger.ts
+++ b/packages/launchpad-ledger/src/launchpadledger.ts
@@ -66,6 +66,12 @@ function unharden(hdPath: readonly Slip10RawIndex[]): number[] {
 const cosmosHdPath = makeCosmoshubPath(0);
 const cosmosBech32Prefix = "cosmos";
 
+export interface LaunchpadLedgerOptions {
+  readonly hdPath?: readonly Slip10RawIndex[];
+  readonly prefix?: string;
+  readonly testModeAllowed?: boolean;
+}
+
 export class LaunchpadLedger {
   private readonly testModeAllowed: boolean;
   private readonly hdPath: readonly Slip10RawIndex[];
@@ -74,11 +80,16 @@ export class LaunchpadLedger {
   public readonly platform: string;
   public readonly userAgent: string;
 
-  constructor(
-    { testModeAllowed }: { testModeAllowed: boolean } = { testModeAllowed: false },
-    hdPath: readonly Slip10RawIndex[] = cosmosHdPath,
-    prefix: string = cosmosBech32Prefix,
-  ) {
+  constructor(options: LaunchpadLedgerOptions = {}) {
+    const defaultOptions = {
+      hdPath: cosmosHdPath,
+      prefix: cosmosBech32Prefix,
+      testModeAllowed: false,
+    };
+    const { hdPath, prefix, testModeAllowed } = {
+      ...defaultOptions,
+      ...options,
+    };
     this.testModeAllowed = testModeAllowed;
     this.hdPath = hdPath;
     this.prefix = prefix;
diff --git a/packages/launchpad-ledger/src/ledgersigner.ts b/packages/launchpad-ledger/src/ledgersigner.ts
index c0b0b262..145f1ddc 100644
--- a/packages/launchpad-ledger/src/ledgersigner.ts
+++ b/packages/launchpad-ledger/src/ledgersigner.ts
@@ -1,17 +1,13 @@
 import { AccountData, encodeSecp256k1Signature, OfflineSigner, StdSignature } from "@cosmjs/launchpad";
 
-import { LaunchpadLedger } from "./launchpadledger";
-
-interface LedgerSignerOptions {
-  readonly testModeAllowed: boolean;
-}
+import { LaunchpadLedger, LaunchpadLedgerOptions } from "./launchpadledger";
 
 export class LedgerSigner implements OfflineSigner {
   private readonly ledger: LaunchpadLedger;
   private address: string | undefined;
   private pubkey: Uint8Array | undefined;
 
-  constructor(options?: LedgerSignerOptions) {
+  constructor(options?: LaunchpadLedgerOptions) {
     this.ledger = new LaunchpadLedger(options);
   }
 
diff --git a/packages/launchpad-ledger/types/launchpadledger.d.ts b/packages/launchpad-ledger/types/launchpadledger.d.ts
index 4dbf3064..6dcaa64c 100644
--- a/packages/launchpad-ledger/types/launchpadledger.d.ts
+++ b/packages/launchpad-ledger/types/launchpadledger.d.ts
@@ -1,5 +1,10 @@
 /// <reference types="node" />
 import { Slip10RawIndex } from "@cosmjs/crypto";
+export interface LaunchpadLedgerOptions {
+  readonly hdPath?: readonly Slip10RawIndex[];
+  readonly prefix?: string;
+  readonly testModeAllowed?: boolean;
+}
 export declare class LaunchpadLedger {
   private readonly testModeAllowed;
   private readonly hdPath;
@@ -7,15 +12,7 @@ export declare class LaunchpadLedger {
   private cosmosApp;
   readonly platform: string;
   readonly userAgent: string;
-  constructor(
-    {
-      testModeAllowed,
-    }?: {
-      testModeAllowed: boolean;
-    },
-    hdPath?: readonly Slip10RawIndex[],
-    prefix?: string,
-  );
+  constructor(options?: LaunchpadLedgerOptions);
   connect(timeout?: number): Promise<LaunchpadLedger>;
   getCosmosAppVersion(): Promise<string>;
   getPubKey(): Promise<Buffer>;
diff --git a/packages/launchpad-ledger/types/ledgersigner.d.ts b/packages/launchpad-ledger/types/ledgersigner.d.ts
index 1bb54aeb..abf5b3cb 100644
--- a/packages/launchpad-ledger/types/ledgersigner.d.ts
+++ b/packages/launchpad-ledger/types/ledgersigner.d.ts
@@ -1,13 +1,10 @@
 import { AccountData, OfflineSigner, StdSignature } from "@cosmjs/launchpad";
-interface LedgerSignerOptions {
-  readonly testModeAllowed: boolean;
-}
+import { LaunchpadLedgerOptions } from "./launchpadledger";
 export declare class LedgerSigner implements OfflineSigner {
   private readonly ledger;
   private address;
   private pubkey;
-  constructor(options?: LedgerSignerOptions);
+  constructor(options?: LaunchpadLedgerOptions);
   getAccounts(): Promise<readonly AccountData[]>;
   sign(address: string, message: Uint8Array): Promise<StdSignature>;
 }
-export {};