diff --git a/node/src/chain/header_validation.rs b/node/src/chain/header_validation.rs
index 2dc72c29ec..6eddb29775 100644
--- a/node/src/chain/header_validation.rs
+++ b/node/src/chain/header_validation.rs
@@ -226,9 +226,13 @@ impl<'a, DB: database::DB> Validator<'a, DB> {
 
                 anyhow::ensure!(pk == &expected_pk, "Invalid generator. Expected {expected_pk:?}, actual {pk:?}");
 
+                let mut consensus_header =
+                    candidate_block.to_consensus_header();
+                consensus_header.iteration = iter as u8;
+
                 let (_, rat_quorum, _) = verify_att(
                     att,
-                    candidate_block.to_consensus_header(),
+                    consensus_header,
                     self.prev_header.seed,
                     self.provisioners.current(),
                     RatificationResult::Fail(Vote::default()),
diff --git a/rusk/src/lib/node/rusk.rs b/rusk/src/lib/node/rusk.rs
index 663b41f7a7..1dba4d2978 100644
--- a/rusk/src/lib/node/rusk.rs
+++ b/rusk/src/lib/node/rusk.rs
@@ -803,7 +803,7 @@ fn slash(session: &mut Session, slash: Vec<Slash>) -> Result<Vec<Event>> {
             node_data::ledger::SlashType::Hard => session.call::<_, ()>(
                 STAKE_CONTRACT,
                 "hard_slash",
-                &(provisioner, None::<u64>, None::<u64>),
+                &(provisioner, None::<u64>, None::<u8>),
                 u64::MAX,
             ),
             node_data::ledger::SlashType::HardWithSeverity(severity) => session