diff --git a/frame/evm-system/src/tests.rs b/frame/evm-system/src/tests.rs
index c2e49b9b61..71703ceca6 100644
--- a/frame/evm-system/src/tests.rs
+++ b/frame/evm-system/src/tests.rs
@@ -1,6 +1,6 @@
 //! Unit tests.
 
-use core::str::FromStr;
+use sp_std::str::FromStr;
 
 use frame_support::{assert_noop, assert_ok};
 use mockall::predicate;