diff --git a/polkadot/runtime/src/lib.rs b/polkadot/runtime/src/lib.rs
index eb1eb95786..874cb7dcd6 100644
--- a/polkadot/runtime/src/lib.rs
+++ b/polkadot/runtime/src/lib.rs
@@ -287,7 +287,7 @@ impl staking::Trait for Runtime {
 	type CurrencyToVote = CurrencyToVoteHandler;
 	type Event = Event;
 	type Currency = Balances;
-	type Slash = ();
+	type Slash = Treasury;
 	type Reward = ();
 	type SessionsPerEra = SessionsPerEra;
 	type BondingDuration = BondingDuration;