diff --git a/handyrl/connection.py b/handyrl/connection.py
index 8b01d55..49a176e 100755
--- a/handyrl/connection.py
+++ b/handyrl/connection.py
@@ -29,6 +29,9 @@ def close(self):
             self.conn.close()
             self.conn = None
 
+    def fileno(self):
+        return self.conn.fileno()
+
     def _recv(self, size):
         buf = io.BytesIO()
         while size > 0: