diff --git a/polkadot-parachains/statemine-runtime/src/lib.rs b/polkadot-parachains/statemine-runtime/src/lib.rs
index c0c31bd8f4..e9dcfc19b6 100644
--- a/polkadot-parachains/statemine-runtime/src/lib.rs
+++ b/polkadot-parachains/statemine-runtime/src/lib.rs
@@ -528,8 +528,8 @@ pub type XcmOriginToTransactDispatchOrigin = (
 );
 
 parameter_types! {
-	// One XCM operation is 1_000_000 weight - almost certainly a conservative estimate.
-	pub UnitWeightCost: Weight = 1_000_000;
+	// One XCM operation is 1_000_000_000 weight - almost certainly a conservative estimate.
+	pub UnitWeightCost: Weight = 1_000_000_000;
 }
 
 match_type! {