diff --git a/chfs-ng/internal/api/server.go b/chfs-ng/internal/api/server.go
index 2bbb392..a53cc3a 100644
--- a/chfs-ng/internal/api/server.go
+++ b/chfs-ng/internal/api/server.go
@@ -1210,6 +1210,9 @@ func (f *webdavAuthFS) Move(ctx context.Context, name, dest string, opts *webdav
 func (f *webdavAuthFS) checkTree(ctx context.Context, name string, p auth.PermMask) error {
 	info, err := f.inner.Stat(ctx, name)
 	if err != nil {
+		if os.IsNotExist(err) {
+			return webdav.NewHTTPError(http.StatusNotFound, err)
+		}
 		return err
 	}
 	if !info.IsDir {