diff --git a/src/aserror.rs b/src/aserror.rs
index 54fc6f1..4cd0fec 100644
--- a/src/aserror.rs
+++ b/src/aserror.rs
@@ -1,5 +1,5 @@
 use std::error::Error;
-use std::panic::UnwindSafe;
+use core::panic::UnwindSafe;
 
 #[doc(hidden)]
 pub trait AsDynError<'a>: Sealed {