diff --git a/Modules/selectmodule.c b/Modules/selectmodule.c
index 4eea928a2683ae..6be35826d5693f 100644
--- a/Modules/selectmodule.c
+++ b/Modules/selectmodule.c
@@ -146,9 +146,9 @@ seq2set(PyObject *seq, fd_set *set, pylist fd2obj[FD_SETSIZE + 1])
         v = PyObject_AsFileDescriptor( o );
         if (v == -1) goto finally;
 
-#if defined(_MSC_VER)
+#if defined(MS_WIN32)
         max = 0;                             /* not used for Win32 */
-#else  /* !_MSC_VER */
+#else  /* !MS_WIN32 */
         if (!_PyIsSelectable_fd(v)) {
             PyErr_SetString(PyExc_ValueError,
                         "filedescriptor out of range in select()");
@@ -156,7 +156,7 @@ seq2set(PyObject *seq, fd_set *set, pylist fd2obj[FD_SETSIZE + 1])
         }
         if (v > max)
             max = v;
-#endif /* _MSC_VER */
+#endif /* MS_WIN32 */
         FD_SET(v, set);
 
         /* add object and its file descriptor to the list */
diff --git a/setup.py b/setup.py
index 168c38e4deb321..070d72b155b049 100644
--- a/setup.py
+++ b/setup.py
@@ -974,7 +974,9 @@ def detect_simple_extensions(self):
         self.addext(Extension('spwd', ['spwdmodule.c']))
 
         # select(2); not on ancient System V
-        self.addext(Extension('select', ['selectmodule.c']))
+        self.addext(Extension(
+            'select', ['selectmodule.c'],
+            libraries=(['ws2_32'] if MS_WINDOWS else None)))
 
         # Memory-mapped files (also works on Win32).
         self.addext(Extension('mmap', ['mmapmodule.c']))