diff --git a/src/xcb_conn.c b/src/xcb_conn.c
index 35b9996..a017c20 100644
--- a/src/xcb_conn.c
+++ b/src/xcb_conn.c
@@ -257,6 +257,7 @@ xcb_connection_t *xcb_connect_to_fd(int fd, xcb_auth_info_t *auth_info)
 {
     xcb_connection_t* c;
 
+#ifndef _WIN32
 #ifndef USE_POLL
     if(fd >= FD_SETSIZE) /* would overflow in FD_SET */
     {
@@ -264,6 +265,7 @@ xcb_connection_t *xcb_connect_to_fd(int fd, xcb_auth_info_t *auth_info)
         return (xcb_connection_t *) &error_connection;
     }
 #endif
+#endif /* !_WIN32*/
 
     c = calloc(1, sizeof(xcb_connection_t));
     if(!c) {