diff --git a/tests/test_expr.rs b/tests/test_expr.rs
index 5678e84..1872fb5 100644
--- a/tests/test_expr.rs
+++ b/tests/test_expr.rs
@@ -1,6 +1,7 @@
 #![allow(clippy::iter_cloned_collect, clippy::uninlined_format_args)]
 
 use core::fmt::Display;
+#[cfg(feature = "std")]
 use std::path::PathBuf;
 use thiserror::Error;