diff --git a/pallets/slow-clap/Cargo.toml b/pallets/slow-clap/Cargo.toml
index 862e9fa..aae9eda 100644
--- a/pallets/slow-clap/Cargo.toml
+++ b/pallets/slow-clap/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ghost-slow-clap"
-version = "0.4.28"
+version = "0.4.29"
 description = "Applause protocol for the EVM bridge"
 license.workspace = true
 authors.workspace = true
diff --git a/pallets/slow-clap/src/lib.rs b/pallets/slow-clap/src/lib.rs
index d3aab81..52d9fa9 100644
--- a/pallets/slow-clap/src/lib.rs
+++ b/pallets/slow-clap/src/lib.rs
@@ -1637,7 +1637,7 @@ impl<Offender: Clone> Offence<Offender> for SlowClapOffence<Offender> {
                 missed_percent.saturating_mul(Perbill::from_rational(1, offenders_count))
             }
             OffenceType::CommitmentOffence => offenders_count
-                .checked_sub(Perbill::from_percent(9).mul_ceil(self.validator_set_count))
+                .checked_sub(Perbill::from_percent(9).mul_floor(self.validator_set_count))
                 .map(|threshold| {
                     Perbill::from_rational(threshold.saturating_mul(4), self.validator_set_count)
                         .square()