diff --git a/cumulus/pallets/session-benchmarking/src/inner.rs b/cumulus/pallets/session-benchmarking/src/inner.rs
index 58169bdb6940..6c5188921362 100644
--- a/cumulus/pallets/session-benchmarking/src/inner.rs
+++ b/cumulus/pallets/session-benchmarking/src/inner.rs
@@ -34,7 +34,7 @@ mod benchmarks {
 		let caller: T::AccountId = whitelisted_caller();
 		frame_system::Pallet::<T>::inc_providers(&caller);
 		let keys = T::Keys::decode(&mut sp_runtime::traits::TrailingZeroInput::zeroes()).unwrap();
-		let proof: Vec<u8> = vec![0,1,2,3];
+		let proof: Vec<u8> = vec![0, 1, 2, 3];
 
 		#[extrinsic_call]
 		_(RawOrigin::Signed(caller), keys, proof);
@@ -47,12 +47,16 @@ mod benchmarks {
 		let caller: T::AccountId = whitelisted_caller();
 		frame_system::Pallet::<T>::inc_providers(&caller);
 		let keys = T::Keys::decode(&mut sp_runtime::traits::TrailingZeroInput::zeroes()).unwrap();
-		let proof: Vec<u8> = vec![0,1,2,3];
-		let _t = pallet_session::Pallet::<T>::set_keys(RawOrigin::Signed(caller.clone()).into(), keys, proof);
+		let proof: Vec<u8> = vec![0, 1, 2, 3];
+		let _t = pallet_session::Pallet::<T>::set_keys(
+			RawOrigin::Signed(caller.clone()).into(),
+			keys,
+			proof,
+		);
 
 		#[extrinsic_call]
 		_(RawOrigin::Signed(caller));
 
-		Ok(())	
+		Ok(())
 	}
 }