From 478334c988ee09d8c75a285b364f01d909285b61 Mon Sep 17 00:00:00 2001
From: Divhead <110596516+divhead@users.noreply.github.com>
Date: Fri, 27 Jun 2025 02:54:19 -0700
Subject: [PATCH] fix nonce issue

---
 src/domain/synthetics/express/expressOrderUtils.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/domain/synthetics/express/expressOrderUtils.ts b/src/domain/synthetics/express/expressOrderUtils.ts
index 21c808ec54..2c79bcc5fc 100644
--- a/src/domain/synthetics/express/expressOrderUtils.ts
+++ b/src/domain/synthetics/express/expressOrderUtils.ts
@@ -500,7 +500,7 @@ export async function buildAndSignExpressBatchOrderTxn({
     chainId,
     relayPayload: {
       ...relayParamsPayload,
-      userNonce,
+      userNonce: userNonce + 1n,
       deadline: BigInt(nowInSeconds() + DEFAULT_EXPRESS_ORDER_DEADLINE_DURATION),
     },
     paramsLists: getBatchParamsLists(batchParams),