--- Modules/selectmodule.c~	2011-05-01 20:05:12.000000000 +0200
+++ Modules/selectmodule.c	2011-05-01 20:19:46.000000000 +0200
@@ -1246,7 +1246,7 @@
     PyObject *pfd;
     static char *kwlist[] = {"ident", "filter", "flags", "fflags",
                              "data", "udata", NULL};
-    static char *fmt = "O|hhi" INTPTRT_FMT_UNIT UINTPTRT_FMT_UNIT ":kevent";
+    static char *fmt = "O|hHI" INTPTRT_FMT_UNIT UINTPTRT_FMT_UNIT ":kevent";
 
     EV_SET(&(self->e), 0, EVFILT_READ, EV_ADD, 0, 0, 0); /* defaults */