diff --git a/src/model/transaction/LockFundsTransaction.ts b/src/model/transaction/LockFundsTransaction.ts
index 7e676b0e48..27f2059219 100644
--- a/src/model/transaction/LockFundsTransaction.ts
+++ b/src/model/transaction/LockFundsTransaction.ts
@@ -56,7 +56,7 @@ export class LockFundsTransaction extends Transaction {
             networkType,
             TransactionVersion.LOCK,
             deadline,
-            UInt64.fromUint(0),
+            new UInt64([0, 0]),
             mosaic,
             duration,
             signedTransaction,
diff --git a/src/model/transaction/SecretLockTransaction.ts b/src/model/transaction/SecretLockTransaction.ts
index f08fc8d229..9fab5e34e5 100644
--- a/src/model/transaction/SecretLockTransaction.ts
+++ b/src/model/transaction/SecretLockTransaction.ts
@@ -52,7 +52,7 @@ export class SecretLockTransaction extends Transaction {
             networkType,
             TransactionVersion.SECRET_LOCK,
             deadline,
-            UInt64.fromUint(0),
+            new UInt64([0, 0]),
             mosaic,
             duration,
             hashType,
diff --git a/src/model/transaction/SecretProofTransaction.ts b/src/model/transaction/SecretProofTransaction.ts
index 08b92667f9..ab5df9cbf0 100644
--- a/src/model/transaction/SecretProofTransaction.ts
+++ b/src/model/transaction/SecretProofTransaction.ts
@@ -46,7 +46,7 @@ export class SecretProofTransaction extends Transaction {
             networkType,
             TransactionVersion.SECRET_PROOF,
             deadline,
-            UInt64.fromUint(0),
+            new UInt64([0, 0]),
             hashType,
             secret,
             proof,