diff --git a/typescript/agentkit/src/wallet-providers/viemWalletProvider.ts b/typescript/agentkit/src/wallet-providers/viemWalletProvider.ts
index b2291cb77..e8ba0f61a 100644
--- a/typescript/agentkit/src/wallet-providers/viemWalletProvider.ts
+++ b/typescript/agentkit/src/wallet-providers/viemWalletProvider.ts
@@ -130,7 +130,7 @@ export class ViemWalletProvider extends EvmWalletProvider {
   getNetwork(): Network {
     return {
       protocolFamily: "evm" as const,
-      chainId: this.#walletClient.chain!.id! as any as string,
+      chainId: String(this.#walletClient.chain!.id!),
       networkId: CHAIN_ID_TO_NETWORK_ID[this.#walletClient.chain!.id!],
     };
   }