From 59c3a8965c6d51a62f74e60a6770755e578d4716 Mon Sep 17 00:00:00 2001
From: Karl Kempe <kkempe@jumptrading.com>
Date: Fri, 28 Jan 2022 17:37:05 +0000
Subject: [PATCH] Fix indexOf check

---
 react/src/swapper/helpers.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/react/src/swapper/helpers.ts b/react/src/swapper/helpers.ts
index f83a461..8fc0355 100644
--- a/react/src/swapper/helpers.ts
+++ b/react/src/swapper/helpers.ts
@@ -31,7 +31,7 @@ export async function getEvmGasParametersForContract(
   const chainId = await getChainIdFromContract(contract);
   console.info(`getEvmGasParametersForContract... chainId: ${chainId}`);
 
-  if (EVM_EIP1559_CHAIN_IDS.indexOf(chainId)) {
+  if (EVM_EIP1559_CHAIN_IDS.indexOf(chainId) >= 0) {
     console.info(
       `eip1559? chainId: ${chainId}, eip1559 chains... ${JSON.stringify(
         EVM_EIP1559_CHAIN_IDS