diff --git a/crates/engine/tree/src/tree/metrics.rs b/crates/engine/tree/src/tree/metrics.rs
index a11064ebd5..da78752025 100644
--- a/crates/engine/tree/src/tree/metrics.rs
+++ b/crates/engine/tree/src/tree/metrics.rs
@@ -101,8 +101,12 @@ impl EngineApiMetrics {
                 let tx = tx?;
                 senders.push(*tx.signer());
 
-                let span =
-                    debug_span!(target: "engine::tree", "execute tx", tx_hash=?tx.tx().tx_hash());
+                let span = debug_span!(
+                    target: "engine::tree",
+                    "execute tx",
+                    tx_hash = ?tx.tx().tx_hash(),
+                    gas_used = tracing::field::Empty,
+                );
                 let enter = span.entered();
                 trace!(target: "engine::tree", "Executing transaction");
                 let start = Instant::now();
diff --git a/crates/engine/tree/src/tree/payload_processor/prewarm.rs b/crates/engine/tree/src/tree/payload_processor/prewarm.rs
index aecc224965..494e2d0f26 100644
--- a/crates/engine/tree/src/tree/payload_processor/prewarm.rs
+++ b/crates/engine/tree/src/tree/payload_processor/prewarm.rs
@@ -576,9 +576,14 @@ where
                 .entered();
             txs.recv()
         } {
-            let enter =
-                debug_span!(target: "engine::tree::payload_processor::prewarm", "prewarm tx", index, tx_hash=%tx.tx().tx_hash())
-                    .entered();
+            let enter = debug_span!(
+                target: "engine::tree::payload_processor::prewarm",
+                "prewarm tx",
+                index,
+                tx_hash = %tx.tx().tx_hash(),
+                is_success = tracing::field::Empty,
+            )
+            .entered();
 
             // create the tx env
             let start = Instant::now();