From 67e646aaffa262ea63a0ff829859c8d30903de08 Mon Sep 17 00:00:00 2001
From: Alexander Kolberg <alexander.kolberg@gmail.com>
Date: Tue, 23 Jun 2026 21:58:46 +0300
Subject: [PATCH] Fix WaaS fee token balance matching

---
 .changeset/tidy-lizards-compare.md              | 5 +++++
 packages/connect/src/hooks/useWaasFeeOptions.ts | 9 +++++++--
 2 files changed, 12 insertions(+), 2 deletions(-)
 create mode 100644 .changeset/tidy-lizards-compare.md

diff --git a/.changeset/tidy-lizards-compare.md b/.changeset/tidy-lizards-compare.md
new file mode 100644
index 000000000..a0ba6a501
--- /dev/null
+++ b/.changeset/tidy-lizards-compare.md
@@ -0,0 +1,5 @@
+---
+'@0xsequence/connect': patch
+---
+
+Compare WaaS fee token addresses case-insensitively when matching balances.
diff --git a/packages/connect/src/hooks/useWaasFeeOptions.ts b/packages/connect/src/hooks/useWaasFeeOptions.ts
index 0b5c28077..630d5bbac 100644
--- a/packages/connect/src/hooks/useWaasFeeOptions.ts
+++ b/packages/connect/src/hooks/useWaasFeeOptions.ts
@@ -9,6 +9,7 @@ import type { Connector } from 'wagmi'
 import { useConnections } from 'wagmi'
 
 import { Deferred } from '../utils/deferred.js'
+import { compareAddress } from '../utils/helpers.js'
 
 // Shared state across hook instances
 let sharedPendingConfirmation: WaasFeeOptionConfirmation | undefined = undefined
@@ -101,8 +102,12 @@ export function useWaasFeeOptions(options?: WaasFeeOptionsConfig): UseWaasFeeOpt
           const { token, value } = option
           const decimals = token.decimals ?? 18
           const rawValue = BigInt(value)
-          const balance = token.contractAddress
-            ? BigInt(balances.balances.find(({ contractAddress }) => contractAddress === token.contractAddress)?.balance ?? '0')
+          const tokenContractAddress = token.contractAddress
+          const balance = tokenContractAddress
+            ? BigInt(
+                balances.balances.find(({ contractAddress }) => compareAddress(contractAddress, tokenContractAddress))?.balance ??
+                  '0'
+              )
             : BigInt(balances.nativeBalances?.[0]?.balance ?? '0')
 
           return {