diff --git a/src/shared/useSdkWithSigner.ts b/src/shared/useSdkWithSigner.ts
index 7cd0e5b..02c5fab 100644
--- a/src/shared/useSdkWithSigner.ts
+++ b/src/shared/useSdkWithSigner.ts
@@ -28,7 +28,7 @@ export function useSDKWithSigner({
     }
     return new ThirdwebSDK(rpc, {
       transactionRelayerUrl: relayUrl,
-      readOnlyRpcUrl: rpcUrl,
+      readOnlyRpcUrl: rpc,
     });
   }, [relayUrl]);