diff --git a/crates/blockchain/src/lib.rs b/crates/blockchain/src/lib.rs
index c99186a5..0fceede2 100644
--- a/crates/blockchain/src/lib.rs
+++ b/crates/blockchain/src/lib.rs
@@ -618,6 +618,8 @@ impl BlockChainServer {
         // not count toward the block-building metric.
         drop(timing);
 
+        info!(%slot, %validator_id, "Finished building block");
+
         let now_ms = unix_now_ms();
 
         // Align publication to the slot boundary. If the build finished before