diff --git a/pallets/collator-selection/src/mock.rs b/pallets/collator-selection/src/mock.rs
index 830435b502..a296e68a4e 100644
--- a/pallets/collator-selection/src/mock.rs
+++ b/pallets/collator-selection/src/mock.rs
@@ -26,7 +26,7 @@ use sp_core::H256;
 use sp_runtime::{
 	testing::{Header, UintAuthorityId},
 	traits::{BlakeTwo256, IdentityLookup, OpaqueKeys},
-	RuntimeAppPublic, Perbill,
+	Perbill, RuntimeAppPublic,
 };
 
 type UncheckedExtrinsic = frame_system::mocking::MockUncheckedExtrinsic<Test>;