diff --git a/src/lib/converter/input/tapScriptSig.d.ts b/src/lib/converter/input/tapScriptSig.d.ts
index 85b8c80..28884a9 100644
--- a/src/lib/converter/input/tapScriptSig.d.ts
+++ b/src/lib/converter/input/tapScriptSig.d.ts
@@ -1,6 +1,6 @@
 import { KeyValue, TapScriptSig } from '../../interfaces';
 export declare function decode(keyVal: KeyValue): TapScriptSig;
 export declare function encode(tSig: TapScriptSig): KeyValue;
-export declare const expected = "{ pubkey: Buffer; signature: Buffer; }";
+export declare const expected = "{ pubkey: Buffer; leafHash: Buffer; signature: Buffer; }";
 export declare function check(data: any): data is TapScriptSig;
 export declare function canAddToArray(array: TapScriptSig[], item: TapScriptSig, dupeSet: Set<string>): boolean;
diff --git a/src/lib/converter/input/tapScriptSig.js b/src/lib/converter/input/tapScriptSig.js
index 4e71761..7180d32 100644
--- a/src/lib/converter/input/tapScriptSig.js
+++ b/src/lib/converter/input/tapScriptSig.js
@@ -37,7 +37,7 @@ function encode(tSig) {
   };
 }
 exports.encode = encode;
-exports.expected = '{ pubkey: Buffer; signature: Buffer; }';
+exports.expected = '{ pubkey: Buffer; leafHash: Buffer; signature: Buffer; }';
 function check(data) {
   return (
     Buffer.isBuffer(data.pubkey) &&
@@ -50,9 +50,14 @@ function check(data) {
 }
 exports.check = check;
 function canAddToArray(array, item, dupeSet) {
-  const dupeString = item.pubkey.toString('hex');
+  const dupeString =
+    item.pubkey.toString('hex') + item.leafHash.toString('hex');
   if (dupeSet.has(dupeString)) return false;
   dupeSet.add(dupeString);
-  return array.filter(v => v.pubkey.equals(item.pubkey)).length === 0;
+  return (
+    array.filter(
+      v => v.pubkey.equals(item.pubkey) && v.leafHash.equals(item.leafHash),
+    ).length === 0
+  );
 }
 exports.canAddToArray = canAddToArray;
diff --git a/ts_src/lib/converter/input/tapScriptSig.ts b/ts_src/lib/converter/input/tapScriptSig.ts
index 6c437a7..4c02989 100644
--- a/ts_src/lib/converter/input/tapScriptSig.ts
+++ b/ts_src/lib/converter/input/tapScriptSig.ts
@@ -37,7 +37,8 @@ export function encode(tSig: TapScriptSig): KeyValue {
   };
 }
 
-export const expected = '{ pubkey: Buffer; signature: Buffer; }';
+export const expected =
+  '{ pubkey: Buffer; leafHash: Buffer; signature: Buffer; }';
 export function check(data: any): data is TapScriptSig {
   return (
     Buffer.isBuffer(data.pubkey) &&
@@ -54,8 +55,13 @@ export function canAddToArray(
   item: TapScriptSig,
   dupeSet: Set<string>,
 ): boolean {
-  const dupeString = item.pubkey.toString('hex');
+  const dupeString =
+    item.pubkey.toString('hex') + item.leafHash.toString('hex');
   if (dupeSet.has(dupeString)) return false;
   dupeSet.add(dupeString);
-  return array.filter(v => v.pubkey.equals(item.pubkey)).length === 0;
+  return (
+    array.filter(
+      v => v.pubkey.equals(item.pubkey) && v.leafHash.equals(item.leafHash),
+    ).length === 0
+  );
 }