diff --git a/mountpoint-s3-client/src/s3_crt_client/copy_object.rs b/mountpoint-s3-client/src/s3_crt_client/copy_object.rs
index c36404eb0..038d4f958 100644
--- a/mountpoint-s3-client/src/s3_crt_client/copy_object.rs
+++ b/mountpoint-s3-client/src/s3_crt_client/copy_object.rs
@@ -2,16 +2,9 @@ use std::ops::Deref;
 use std::os::unix::prelude::OsStrExt;
 use tracing::trace;
 use mountpoint_s3_crt::{http::request_response::Header, s3::client::MetaRequestResult};
-use crate::endpoint_config::EndpointError;
 use crate::object_client::{CopyObjectError, CopyObjectParams, CopyObjectResult, ObjectClientResult};
 use crate::s3_crt_client::{ConstructionError, S3CrtClient, S3CrtClientInner, S3Operation, S3RequestError};
 
-impl From<EndpointError> for S3RequestError {
-    fn from(error: EndpointError) -> Self {
-        S3RequestError::ConstructionFailure(ConstructionError::InvalidEndpoint(error))
-    }
-}
-
 impl S3CrtClient {
     /// Create and begin a new CopyObject request.
     pub(super) async fn copy_object(
@@ -47,12 +40,11 @@ impl S3CrtClient {
             );
 
             let mut options = S3CrtClientInner::new_meta_request_options(message, S3Operation::CopyObject);
-            let endpoint = self.inner.endpoint_config.resolve_for_bucket(source_bucket)
-                .map_err(|e| S3RequestError::from(e))?;
-            let uri = endpoint.uri()
-                .map_err(|e| S3RequestError::from(e))?
-                .as_os_str();
-            let source_uri = format!("{uri}/{source_key}");
+            let uri = self.inner.endpoint_config.resolve_for_bucket(source_bucket)
+                .map_err(|e| S3RequestError::from(ConstructionError::from(e)))?
+                .uri()
+                .map_err(|e| S3RequestError::from(ConstructionError::from(e)))?;
+            let source_uri = format!("{}/{source_key}", uri.as_os_str().to_string_lossy());
             trace!(source_uri, "resolved source uri");
             options.copy_source_uri(&source_uri);
             self.inner.make_simple_http_request_from_options(options, span, |_| {}, parse_copy_object_error, |_, _| ())?