diff --git a/lib/logitech_receiver/listener.py b/lib/logitech_receiver/listener.py
index 2f0e870f..41755d57 100644
--- a/lib/logitech_receiver/listener.py
+++ b/lib/logitech_receiver/listener.py
@@ -98,6 +98,8 @@ class _ThreadedHandle:
                 return self._local.handle
             except Exception:
                 return self._open()
+        else:
+            return -1
 
     __int__ = __index__