diff --git a/state-chain/node/src/chain_spec/common.rs b/state-chain/node/src/chain_spec/common.rs
index 0167c955a5..c6dd1738b6 100644
--- a/state-chain/node/src/chain_spec/common.rs
+++ b/state-chain/node/src/chain_spec/common.rs
@@ -34,7 +34,7 @@ const REPUTATION_PENALTY_LARGE: i32 = REPUTATION_PER_HEARTBEAT * 8; // Two hours
 pub const PENALTIES: &[(Offence, (i32, BlockNumber))] = &[
 	(Offence::MissedHeartbeat, (REPUTATION_PENALTY_SMALL, 0)),
 	(Offence::ParticipateKeygenFailed, (REPUTATION_PENALTY_MEDIUM, HEARTBEAT_BLOCK_INTERVAL)),
-	(Offence::ParticipateSigningFailed, (REPUTATION_PENALTY_MEDIUM, HEARTBEAT_BLOCK_INTERVAL)),
+	(Offence::ParticipateSigningFailed, (REPUTATION_PENALTY_MEDIUM, MINUTES / 2)),
 	(Offence::MissedAuthorshipSlot, (REPUTATION_PENALTY_LARGE, HEARTBEAT_BLOCK_INTERVAL)),
 	(Offence::FailedToBroadcastTransaction, (REPUTATION_PENALTY_MEDIUM, HEARTBEAT_BLOCK_INTERVAL)),
 	(Offence::GrandpaEquivocation, (REPUTATION_PENALTY_LARGE, HEARTBEAT_BLOCK_INTERVAL * 5)),