diff --git a/src/cross-chain-order/hash-lock/hash-lock.spec.ts b/src/cross-chain-order/hash-lock/hash-lock.spec.ts
index 42fca3f..01f82f9 100644
--- a/src/cross-chain-order/hash-lock/hash-lock.spec.ts
+++ b/src/cross-chain-order/hash-lock/hash-lock.spec.ts
@@ -21,7 +21,7 @@ describe('HashLock', () => {
 
         const leaves = HashLock.getMerkleLeaves(secrets)
         expect(HashLock.forMultipleFills(leaves).toString()).toEqual(
-            '0x0004450ad51097012ff74f91e1ff6fb3f5bd8e8e2cd6a91a513f03bcb89a76f7'
+            '0x000592766d9172e4b4983ee4d4b6d511cdbcbef175c7e3e1b1554d513e1ab724'
         )
     })
 
@@ -49,8 +49,7 @@ describe('HashLock', () => {
         const leaves = HashLock.getMerkleLeaves(secrets)
 
         expect(HashLock.getProof(leaves, 0)).toEqual([
-            '0x3009d711fa0454e4a4f0d553fcfa67f20e0d67571d7e06f2105814c6b123ba55',
-            '0x70e897a17a55b03df83541f6420507b3482da14f2489ef7ea4d9a94cf30d1c06'
+            '0x540daf363747246d40b31da95b3ef1c1497e22e9a56b70d117c835839822c95f'
         ])
     })
 })
diff --git a/src/cross-chain-order/hash-lock/hash-lock.ts b/src/cross-chain-order/hash-lock/hash-lock.ts
index 3192acf..1e456c9 100644
--- a/src/cross-chain-order/hash-lock/hash-lock.ts
+++ b/src/cross-chain-order/hash-lock/hash-lock.ts
@@ -25,7 +25,7 @@ export class HashLock {
         return secrets.map(
             (s, idx) =>
                 solidityPackedKeccak256(
-                    ['uint256', 'bytes32'],
+                    ['uint64', 'bytes32'],
                     [idx, HashLock.hashSecret(s)]
                 ) as MerkleLeaf
         )
diff --git a/src/escrow-factory/escrow-factory.ts b/src/escrow-factory/escrow-factory.ts
index 7c4656a..72a61e4 100644
--- a/src/escrow-factory/escrow-factory.ts
+++ b/src/escrow-factory/escrow-factory.ts
@@ -1,6 +1,6 @@
 import {Address, Interaction} from '@1inch/fusion-sdk'
 import {AbiCoder, getCreate2Address, keccak256} from 'ethers'
-import {getBytesCount, isHexBytes, trim0x} from '@1inch/byte-utils'
+import {add0x, getBytesCount, isHexBytes, trim0x} from '@1inch/byte-utils'
 import assert from 'assert'
 import {Immutables, DstImmutablesComplement} from '../immutables'
 import {MerkleLeaf} from '../cross-chain-order/hash-lock/hash-lock'
@@ -109,18 +109,19 @@ export class EscrowFactory {
         idx: number,
         secretHash: string
     ): Interaction {
-        return new Interaction(
-            this.address,
-            AbiCoder.defaultAbiCoder().encode(
-                [
-                    `(
+        const data = AbiCoder.defaultAbiCoder().encode(
+            [
+                `(
                         bytes32[] proof,
                         uint256 idx,
                         bytes32 secretHash,
                     )`
-                ],
-                [{proof, idx, secretHash}]
-            )
+            ],
+            [{proof, idx, secretHash}]
         )
+
+        const dataNoOffset = add0x(data.slice(66))
+
+        return new Interaction(this.address, dataNoOffset)
     }
 }