diff --git a/primitives/transaction/src/account/vesting_contract.rs b/primitives/transaction/src/account/vesting_contract.rs
index 9ac7325139..df03749f0a 100644
--- a/primitives/transaction/src/account/vesting_contract.rs
+++ b/primitives/transaction/src/account/vesting_contract.rs
@@ -114,7 +114,7 @@ struct CreationTransactionData32 {
 }
 
 impl CreationTransactionData {
-    fn parse_impl(data: &[u8], tx_value: Coin) -> Result<Self, TransactionError> {
+    pub fn parse_data(data: &[u8], tx_value: Coin) -> Result<Self, TransactionError> {
         Ok(match data.len() {
             CreationTransactionData8::SIZE => {
                 // Only timestamp: vest full amount at that time
@@ -163,7 +163,7 @@ impl CreationTransactionData {
         })
     }
     pub fn parse(tx: &Transaction) -> Result<Self, TransactionError> {
-        CreationTransactionData::parse_impl(&tx.recipient_data, tx.value)
+        CreationTransactionData::parse_data(&tx.recipient_data, tx.value)
     }
 
     pub fn to_tx_data(&self) -> Vec<u8> {
diff --git a/primitives/transaction/tests/vesting_contract_verify.rs b/primitives/transaction/tests/vesting_contract_verify.rs
index 3060dffb4f..c745896362 100644
--- a/primitives/transaction/tests/vesting_contract_verify.rs
+++ b/primitives/transaction/tests/vesting_contract_verify.rs
@@ -39,6 +39,7 @@ fn it_can_verify_creation_transaction() {
         AccountType::verify_incoming_transaction(&transaction),
         Err(TransactionError::InvalidData)
     );
+    CreationTransactionData::parse_data(&data, transaction.value).unwrap();
     transaction.recipient_data = data;
 
     // Invalid recipient
@@ -70,6 +71,7 @@ fn it_can_verify_creation_transaction() {
     Serialize::serialize_to_writer(&100u64.to_be_bytes(), &mut data);
     Serialize::serialize_to_writer(&100u64.to_be_bytes(), &mut data);
     Serialize::serialize_to_writer(&Coin::try_from(100).unwrap(), &mut data);
+    CreationTransactionData::parse_data(&data, transaction.value).unwrap();
     transaction.recipient_data = data;
     transaction.recipient = transaction.contract_creation_address();
     assert_eq!(
@@ -85,6 +87,7 @@ fn it_can_verify_creation_transaction() {
     Serialize::serialize_to_writer(&100u64.to_be_bytes(), &mut data);
     Serialize::serialize_to_writer(&Coin::try_from(100).unwrap(), &mut data);
     Serialize::serialize_to_writer(&Coin::try_from(100).unwrap(), &mut data);
+    CreationTransactionData::parse_data(&data, transaction.value).unwrap();
     transaction.recipient_data = data;
     transaction.recipient = transaction.contract_creation_address();
     assert_eq!(
diff --git a/web-client/src/common/vesting_contract.rs b/web-client/src/common/vesting_contract.rs
index b01300b4f8..71df54b64a 100644
--- a/web-client/src/common/vesting_contract.rs
+++ b/web-client/src/common/vesting_contract.rs
@@ -1,4 +1,4 @@
-use nimiq_serde::Deserialize;
+use nimiq_primitives::coin::Coin;
 use nimiq_transaction::account::vesting_contract::CreationTransactionData;
 use wasm_bindgen::prelude::*;
 
@@ -18,8 +18,11 @@ pub struct VestingContract;
 impl VestingContract {
     /// Parses the data of a Vesting Contract creation transaction into a plain object.
     #[wasm_bindgen(js_name = dataToPlain)]
-    pub fn data_to_plain(data: &[u8]) -> Result<PlainTransactionRecipientDataType, JsError> {
-        let plain = VestingContract::parse_data(data)?;
+    pub fn data_to_plain(
+        data: &[u8],
+        tx_value: u64,
+    ) -> Result<PlainTransactionRecipientDataType, JsError> {
+        let plain = VestingContract::parse_data(data, tx_value)?;
         Ok(serde_wasm_bindgen::to_value(&plain)?.into())
     }
 
@@ -32,8 +35,11 @@ impl VestingContract {
 }
 
 impl VestingContract {
-    pub fn parse_data(bytes: &[u8]) -> Result<PlainTransactionRecipientData, JsError> {
-        let data = CreationTransactionData::deserialize_all(bytes)?;
+    pub fn parse_data(
+        bytes: &[u8],
+        tx_value: u64,
+    ) -> Result<PlainTransactionRecipientData, JsError> {
+        let data = CreationTransactionData::parse_data(bytes, Coin::try_from(tx_value)?)?;
 
         Ok(PlainTransactionRecipientData::Vesting(PlainVestingData {
             raw: hex::encode(bytes),