diff --git a/web3.js/src/programs/address-lookup-table/state.ts b/web3.js/src/programs/address-lookup-table/state.ts
index 6f4432b25f..e455867474 100644
--- a/web3.js/src/programs/address-lookup-table/state.ts
+++ b/web3.js/src/programs/address-lookup-table/state.ts
@@ -32,7 +32,7 @@ export class AddressLookupTableAccount {
   }
 
   isActive(): boolean {
-    const U64_MAX = 2n ** 64n - 1n;
+    const U64_MAX = 18446744073709551615n;
     return this.state.deactivationSlot === U64_MAX;
   }
 
diff --git a/web3.js/test/message-tests/compiled-keys.test.ts b/web3.js/test/message-tests/compiled-keys.test.ts
index a44f7bdd6c..28e1366a78 100644
--- a/web3.js/test/message-tests/compiled-keys.test.ts
+++ b/web3.js/test/message-tests/compiled-keys.test.ts
@@ -12,7 +12,7 @@ function createTestKeys(count: number): Array<PublicKey> {
 function createTestLookupTable(
   addresses: Array<PublicKey>,
 ): AddressLookupTableAccount {
-  const U64_MAX = 2n ** 64n - 1n;
+  const U64_MAX = 18446744073709551615n;
   return new AddressLookupTableAccount({
     key: PublicKey.unique(),
     state: {
diff --git a/web3.js/test/message-tests/v0.test.ts b/web3.js/test/message-tests/v0.test.ts
index 1f95b1d3b7..898f18a5b5 100644
--- a/web3.js/test/message-tests/v0.test.ts
+++ b/web3.js/test/message-tests/v0.test.ts
@@ -18,7 +18,7 @@ function createTestKeys(count: number): Array<PublicKey> {
 function createTestLookupTable(
   addresses: Array<PublicKey>,
 ): AddressLookupTableAccount {
-  const U64_MAX = 2n ** 64n - 1n;
+  const U64_MAX = 18446744073709551615n;
   return new AddressLookupTableAccount({
     key: PublicKey.unique(),
     state: {
diff --git a/web3.js/test/transaction-tests/message.test.ts b/web3.js/test/transaction-tests/message.test.ts
index c322c5f365..909e26d420 100644
--- a/web3.js/test/transaction-tests/message.test.ts
+++ b/web3.js/test/transaction-tests/message.test.ts
@@ -17,7 +17,7 @@ function createTestKeys(count: number): Array<PublicKey> {
 function createTestLookupTable(
   addresses: Array<PublicKey>,
 ): AddressLookupTableAccount {
-  const U64_MAX = 2n ** 64n - 1n;
+  const U64_MAX = 18446744073709551615n;
   return new AddressLookupTableAccount({
     key: PublicKey.unique(),
     state: {