diff --git a/src/compat.rs b/src/compat.rs
index bbe2564..c0fc045 100644
--- a/src/compat.rs
+++ b/src/compat.rs
@@ -39,6 +39,12 @@ with_std! {
         }
     }
 
+    impl From<Error> for Box<StdError> {
+        fn from(error: Error) -> Box<StdError> {
+            Box::new(Compat { error })
+        }
+    }
+
     impl From<Error> for Box<StdError + Send + Sync> {
         fn from(error: Error) -> Box<StdError + Send + Sync> {
             Box::new(Compat { error })