diff --git a/posix/fd.hpp b/posix/fd.hpp
index 3c1192c2..55aa4783 100644
--- a/posix/fd.hpp
+++ b/posix/fd.hpp
@@ -67,6 +67,7 @@ namespace util::posix {
 
         ///////////////////////////////////////////////////////////////////////
         operator int (void) const;
+        int native (void) { return m_fd; }
 
     private:
         int m_fd;