diff --git a/Lib/selectors.py b/Lib/selectors.py
index d8769e3..85aaeda 100644
--- a/Lib/selectors.py
+++ b/Lib/selectors.py
@@ -314,7 +314,7 @@ class SelectSelector(_BaseSelectorImpl):
             r, w, x = select.select(r, w, w, timeout)
             return r, w + x, []
     else:
-        _select = select.select
+        _select = staticmethod(select.select)
 
     def select(self, timeout=None):
         timeout = None if timeout is None else max(timeout, 0)