diff --git a/web3_proxy/src/rpcs/one.rs b/web3_proxy/src/rpcs/one.rs
index 3b39280a..72747d49 100644
--- a/web3_proxy/src/rpcs/one.rs
+++ b/web3_proxy/src/rpcs/one.rs
@@ -314,7 +314,7 @@ impl Web3Rpc {
             let head_block_num = self
                 .internal_request::<_, U256>(
                     "eth_blockNumber",
-                    &(),
+                    &None::<()>,
                     // error here are expected, so keep the level low
                     Some(Level::DEBUG.into()),
                     Some(Duration::from_secs(5)),
@@ -429,7 +429,7 @@ impl Web3Rpc {
         let found_chain_id: U64 = self
             .internal_request(
                 "eth_chainId",
-                &(),
+                &None::<()>,
                 Some(Level::TRACE.into()),
                 Some(Duration::from_secs(5)),
             )