diff --git a/src/dpos-user.ts b/src/dpos-user.ts
index 17864af9..2cc8e685 100644
--- a/src/dpos-user.ts
+++ b/src/dpos-user.ts
@@ -384,7 +384,7 @@ export class DPOSUser {
       await this._dappchainGateway.withdrawLoomCoinAsync(
         amount,
         _ethereumLoomCoinAddress,
-        ethereumAddress
+        null
       )
       log(`${amount.div(coinMultiplier).toString()} tokens deposited to DAppChain Gateway...`)
       while (pendingReceipt === null || pendingReceipt.oracleSignature.length === 0) {