diff --git a/src/components/providers.tsx b/src/components/providers.tsx
index a8a4548..3dac594 100644
--- a/src/components/providers.tsx
+++ b/src/components/providers.tsx
@@ -28,7 +28,16 @@ const mockchain = defineChain({
   testnet: true,
 });
 
-const allChains = [mainnet, polygon, optimism, arbitrum, base, sepolia, mockchain];
+// Create a deep copy of mainnet with custom RPC URL
+const ethereum = {
+    ...mainnet,
+    rpcUrls: {
+        ...mainnet.rpcUrls,
+        default: {http: ['https://ethereum.liquidity.party']},
+    },
+};
+
+const allChains = [ethereum, sepolia, mockchain];
 const chains = allChains.filter(chain =>
     Object.keys(deployments || {}).includes(chain.id.toString())
 );