diff --git a/.changeset/tall-pets-impress.md b/.changeset/tall-pets-impress.md
new file mode 100644
index 0000000000..4e9b9ef99e
--- /dev/null
+++ b/.changeset/tall-pets-impress.md
@@ -0,0 +1,5 @@
+---
+"viem": patch
+---
+
+Fixed account hoisting for `signEip712Transaction` and `sendEip712Transaction` in ZKsync extension.
diff --git a/src/zksync/actions/sendEip712Transaction.ts b/src/zksync/actions/sendEip712Transaction.ts
index 1804c69b2c..2ff0b06201 100644
--- a/src/zksync/actions/sendEip712Transaction.ts
+++ b/src/zksync/actions/sendEip712Transaction.ts
@@ -92,13 +92,15 @@ export async function sendEip712Transaction<
     request
   >,
 ): Promise<SendEip712TransactionReturnType> {
-  const { chain = client.chain } = parameters
+  const { account: account_ = client.account, chain = client.chain } =
+    parameters
 
-  if (!parameters.account)
+  const account = account_ ? parseAccount(account_) : client.account
+
+  if (!account)
     throw new AccountNotFoundError({
       docsPath: '/docs/actions/wallet/sendTransaction',
     })
-  const account = parseAccount(parameters.account)
 
   try {
     assertEip712Request(parameters)
diff --git a/src/zksync/actions/signEip712Transaction.test.ts b/src/zksync/actions/signEip712Transaction.test.ts
index 045c8fd74a..89ed44487d 100644
--- a/src/zksync/actions/signEip712Transaction.test.ts
+++ b/src/zksync/actions/signEip712Transaction.test.ts
@@ -2,7 +2,7 @@ import { expect, test } from 'vitest'
 
 import { accounts } from '~test/src/constants.js'
 
-import { anvilZksync } from '../../../test/src/anvil.js'
+import { anvilZksync } from '~test/src/anvil.js'
 import { privateKeyToAccount } from '../../accounts/privateKeyToAccount.js'
 import type { ZksyncTransactionRequestEIP712 } from '../../zksync/index.js'
 import { signTransaction } from './signTransaction.js'
diff --git a/src/zksync/actions/signEip712Transaction.ts b/src/zksync/actions/signEip712Transaction.ts
index ffb8eb3ed0..4257d98a7b 100644
--- a/src/zksync/actions/signEip712Transaction.ts
+++ b/src/zksync/actions/signEip712Transaction.ts
@@ -53,6 +53,8 @@ export type SignEip712TransactionErrorType = SignTransactionErrorType
 /**
  * Signs an EIP712 transaction.
  *
+ *
+ * @param client - Client to use
  * @param args - {@link SignTransactionParameters}
  * @returns The signed serialized transaction. {@link SignTransactionReturnType}
  *
@@ -102,11 +104,12 @@ export async function signEip712Transaction<
     ...transaction
   } = args
 
-  if (!account_)
+  const account = account_ ? parseAccount(account_) : client.account
+
+  if (!account)
     throw new AccountNotFoundError({
       docsPath: '/docs/actions/wallet/signTransaction',
     })
-  const account = parseAccount(account_)
 
   assertEip712Request({
     account,
diff --git a/src/zksync/decorators/eip712.test.ts b/src/zksync/decorators/eip712.test.ts
index 7a34b0916d..40754561d9 100644
--- a/src/zksync/decorators/eip712.test.ts
+++ b/src/zksync/decorators/eip712.test.ts
@@ -1,8 +1,8 @@
 import { expect, test } from 'vitest'
 
 import { greeterContract } from '~test/src/abis.js'
+import { anvilZksync } from '~test/src/anvil.js'
 import { accounts } from '~test/src/constants.js'
-import { anvilZksync } from '../../../test/src/anvil.js'
 import { privateKeyToAccount } from '../../accounts/privateKeyToAccount.js'
 import { simulateContract } from '../../actions/index.js'
 import type { EIP1193RequestFn } from '../../types/eip1193.js'
@@ -11,6 +11,9 @@ import { eip712WalletActions } from './eip712.js'
 const client = anvilZksync.getClient()
 const zksyncClient = client.extend(eip712WalletActions())
 
+const clientWithAccount = anvilZksync.getClient({ account: true })
+const zksyncClientWithAccount = clientWithAccount.extend(eip712WalletActions())
+
 test('default', async () => {
   expect(eip712WalletActions()(client)).toMatchInlineSnapshot(`
     {
@@ -47,6 +50,32 @@ test('sendTransaction', async () => {
   expect(result).toBeDefined()
 })
 
+test('sendTransaction with account hoisting', async () => {
+  zksyncClientWithAccount.request = (async ({ method, params }) => {
+    if (method === 'eth_sendRawTransaction')
+      return '0x9afe47f3d95eccfc9210851ba5f877f76d372514a26b48bad848a07f77c33b87'
+    if (method === 'eth_signTypedData_v4')
+      return '0x71f8da808502540be4008502540be40083026c369470997970c51812dc3a010c7d01b50e0d17dc79c88502540be4000082014480808201448082c350c0b841cee039b6d00ff61277ac416a0c98d23d9bfc64e024cd3d3f946ab33cdfe4576b5e4d3bed2c0a2383a1a13f0777b46ca2c19edefb67d8d8584af7d963f5284ca81bf85b94fd9ae5ebb0f6656f4b77a0e99dcbc5138d54b0bab8448c5a344500000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000000'
+    return anvilZksync.getClient().request({ method, params } as any)
+  }) as EIP1193RequestFn
+  const client = zksyncClientWithAccount.extend(eip712WalletActions())
+
+  const result = await client.sendTransaction({
+    to: '0x70997970c51812dc3a010c7d01b50e0d17dc79c8',
+    maxFeePerGas: 10000000000n,
+    maxPriorityFeePerGas: 10000000000n,
+    gas: 158774n,
+    value: 10000000000n,
+    data: '0x0',
+    paymaster: '0xFD9aE5ebB0F6656f4b77a0E99dCbc5138d54b0BA',
+    paymasterInput:
+      '0x8c5a344500000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000000',
+    type: 'eip712',
+    gasPerPubdata: 50000n,
+  })
+  expect(result).toBeDefined()
+})
+
 test('signTransaction', async () => {
   const signature = await zksyncClient.signTransaction({
     account: privateKeyToAccount(accounts[0].privateKey),
@@ -65,6 +94,32 @@ test('signTransaction', async () => {
   expect(signature).toBeDefined()
 })
 
+test('signTransaction with account hoisting', async () => {
+  zksyncClientWithAccount.request = (async ({ method, params }) => {
+    if (method === 'eth_signTypedData_v4')
+      return '0x71f8da808502540be4008502540be40083026c369470997970c51812dc3a010c7d01b50e0d17dc79c88502540be4000082014480808201448082c350c0b841cee039b6d00ff61277ac416a0c98d23d9bfc64e024cd3d3f946ab33cdfe4576b5e4d3bed2c0a2383a1a13f0777b46ca2c19edefb67d8d8584af7d963f5284ca81bf85b94fd9ae5ebb0f6656f4b77a0e99dcbc5138d54b0bab8448c5a344500000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000000'
+    return anvilZksync
+      .getClient({ account: true })
+      .request({ method, params } as any)
+  }) as EIP1193RequestFn
+  const client = zksyncClientWithAccount.extend(eip712WalletActions())
+
+  const signature = await client.signTransaction({
+    to: '0x70997970c51812dc3a010c7d01b50e0d17dc79c8',
+    maxFeePerGas: 10000000000n,
+    maxPriorityFeePerGas: 10000000000n,
+    gas: 158774n,
+    value: 10000000000n,
+    data: '0x0',
+    paymaster: '0xFD9aE5ebB0F6656f4b77a0E99dCbc5138d54b0BA',
+    paymasterInput:
+      '0x8c5a344500000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000000',
+    type: 'eip712',
+    gasPerPubdata: 50000n,
+  })
+  expect(signature).toBeDefined()
+})
+
 test('writeContract', async () => {
   zksyncClient.request = (async ({ method, params }) => {
     if (method === 'eth_sendRawTransaction')
diff --git a/test/src/zksync.ts b/test/src/zksync.ts
index 54f5220a8d..3c29b952f5 100644
--- a/test/src/zksync.ts
+++ b/test/src/zksync.ts
@@ -1,7 +1,7 @@
 import { zksyncLocalNode } from '~viem/chains/index.js'
 import { createClient } from '~viem/clients/createClient.js'
 import { http } from '~viem/index.js'
-import { accounts } from './constants.js'
+import { accounts as acc } from './constants.js'
 
 export const zksyncClientLocalNode = createClient({
   chain: zksyncLocalNode,
@@ -9,7 +9,7 @@ export const zksyncClientLocalNode = createClient({
 })
 
 export const zksyncClientLocalNodeWithAccount = createClient({
-  account: accounts[0].address,
+  account: acc[0].address,
   chain: zksyncLocalNode,
   transport: http(),
 })
@@ -209,3 +209,16 @@ export function mockClientPublicActionsL2(client: any) {
     return mockRequestReturnData(method)
   }
 }
+
+export const accounts = [
+  {
+    address: '0x36615Cf349d7F6344891B1e7CA7C72883F5dc049',
+    privateKey:
+      '0x7726827caac94a7f9e1b160f7ea819f172f7b6f9d2a97f992c38edeab82d4110',
+  },
+  {
+    address: '0xa61464658AfeAf65CccaaFD3a512b69A83B77618',
+    privateKey:
+      '0xac1e735be8536c6534bb4f17f06f6afc73b2b5ba84ac2cfb12f7461b20c0bbe3',
+  },
+] as const