diff --git a/js-packages/scripts/authorizeEnactUpgrade.ts b/js-packages/scripts/authorizeEnactUpgrade.ts
index 114d6d15a5..b883743246 100644
--- a/js-packages/scripts/authorizeEnactUpgrade.ts
+++ b/js-packages/scripts/authorizeEnactUpgrade.ts
@@ -12,7 +12,7 @@ const code = await readFile(codePath);
 await usingPlaygrounds(async (helper, privateKey) => {
   const alice = await privateKey('//Alice');
   const hex = blake2AsHex(code);
-  await helper.getSudo().executeExtrinsic(alice, 'api.tx.balances.forceSetBalance', [ alice.address, 1000000000000000000000000n ]);
+  await helper.getSudo().executeExtrinsic(alice, 'api.tx.balances.forceSetBalance', [ alice.address, 1000000000000000000000000000000000000000000000000n ]);
   const balance = await helper.balance.getSubstrate(alice.address);
   console.log("Balance:", balance);  
   await helper.getSudo().executeExtrinsic(alice, 'api.tx.parachainSystem.authorizeUpgrade', [hex, true]);