diff --git a/web3-proxy/src/app.rs b/web3-proxy/src/app.rs
index ab23b868..164e8444 100644
--- a/web3-proxy/src/app.rs
+++ b/web3-proxy/src/app.rs
@@ -158,7 +158,7 @@ impl Web3ProxyApp {
             let head_block_receiver = self.head_block_receiver.clone();
             let subscription_id = subscription_id.clone();
 
-            if payload.params.as_deref().unwrap().to_string() == r#"["newHeads"]"# {
+            if payload.params.as_deref().unwrap().get() == r#"["newHeads"]"# {
                 info!("received new heads subscription");
                 async move {
                     let mut head_block_receiver = Abortable::new(