--- Python-2.7.6.orig/Modules/fcntlmodule.c
+++ Python-2.7.6/Modules/fcntlmodule.c
@@ -118,7 +118,7 @@
     int mutate_arg = 1;
     char buf[IOCTL_BUFSZ+1];  /* argument plus NUL byte */
 
-    if (PyArg_ParseTuple(args, "O&Iw#|i:ioctl",
+    if (PyArg_ParseTuple(args, "O&Iw#|I:ioctl",
                          conv_descriptor, &fd, &code,
                          &str, &len, &mutate_arg)) {
         char *arg;