diff --git a/beacon_node/http_api/src/produce_block.rs b/beacon_node/http_api/src/produce_block.rs
index 3ab66614e..8388987b4 100644
--- a/beacon_node/http_api/src/produce_block.rs
+++ b/beacon_node/http_api/src/produce_block.rs
@@ -58,7 +58,7 @@ pub async fn produce_block_v3<T: BeaconChainTypes>(
         .produce_block_with_verification(
             randao_reveal,
             slot,
-            query.graffiti.map(Into::into),
+            query.graffiti,
             randao_verification,
             query.builder_boost_factor,
             BlockProductionVersion::V3,