diff --git a/Cargo.lock b/Cargo.lock
index 8121a305f5..79e57b05ca 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1502,9 +1502,9 @@ dependencies = [
 
 [[package]]
 name = "derive-where"
-version = "1.4.0"
+version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e73f2692d4bd3cac41dca28934a39894200c9fabf49586d77d0e5954af1d7902"
+checksum = "d08b3a0bcc0d079199cd476b2cae8435016ec11d1c0986c6901c5ac223041534"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/subxt/src/backend/chain_head.rs b/subxt/src/backend/chain_head.rs
index 997f2d50a7..99d1740d0d 100644
--- a/subxt/src/backend/chain_head.rs
+++ b/subxt/src/backend/chain_head.rs
@@ -667,15 +667,13 @@ async fn submit_transaction_tracking_follow_events<T: Config>(
             // seen the block that it mentions and returning a proper pinned block.
             if let Poll::Ready(follow_ev) = follow_ev_poll {
                 match follow_ev {
-                    FollowEvent::NewBlock(ev) => {
-                        // Optimization: once we have a `finalized_hash`, we only care about finalized
-                        // block refs now and can avoid bothering to save new blocks.
-                        if finalized_hash.is_none() {
-                            seen_blocks.insert(
-                                ev.block_hash.hash(),
-                                (SeenBlockMarker::New, ev.block_hash),
-                            );
-                        }
+                    // Optimization: once we have a `finalized_hash`, we only care about finalized
+                    // block refs now and can avoid bothering to save new blocks.
+                    FollowEvent::NewBlock(ev) if finalized_hash.is_none() => {
+                        seen_blocks.insert(
+                            ev.block_hash.hash(),
+                            (SeenBlockMarker::New, ev.block_hash),
+                        );
                     }
                     FollowEvent::Finalized(ev) => {
                         for block_ref in ev.finalized_block_hashes {