diff --git a/packages/arb-token-bridge-ui/src/util/fetchL2Gateways.ts b/packages/arb-token-bridge-ui/src/util/fetchL2Gateways.ts
index ce13b2be68..c23a7200f2 100644
--- a/packages/arb-token-bridge-ui/src/util/fetchL2Gateways.ts
+++ b/packages/arb-token-bridge-ui/src/util/fetchL2Gateways.ts
@@ -1,3 +1,4 @@
+import { constants } from 'ethers'
 import { Provider } from '@ethersproject/providers'
 import { getArbitrumNetwork } from '@arbitrum/sdk'
 
@@ -25,11 +26,8 @@ export async function fetchL2Gateways(l2Provider: Provider) {
   /* configure gateway addresses for fetching withdrawals */
   const { childErc20Gateway, childCustomGateway, childWethGateway } =
     l2Network.tokenBridge
-  const gatewaysToUse = [
-    childErc20Gateway,
-    childCustomGateway,
-    childWethGateway
-  ]
+
+  const gatewaysToUse = [childErc20Gateway, childCustomGateway]
   const l2ArbReverseGateway = l2ArbReverseGatewayAddresses[l2Network.chainId]
   const l2DaiGateway = l2DaiGatewayAddresses[l2Network.chainId]
   const l2wstETHGateway = l2wstETHGatewayAddresses[l2Network.chainId]
@@ -37,6 +35,10 @@ export async function fetchL2Gateways(l2Provider: Provider) {
   const l2MoonGateway = l2MoonGatewayAddresses[l2Network.chainId]
   const l2UsdcGateway = l2UsdcGatewayAddresses[l2Network.chainId]
 
+  // custom gas token chains will have weth gateway set to address zero
+  if (childWethGateway !== constants.AddressZero) {
+    gatewaysToUse.push(childWethGateway)
+  }
   if (l2ArbReverseGateway) {
     gatewaysToUse.push(l2ArbReverseGateway)
   }