diff -r 64ff90e07d71 Objects/unicodeobject.c
--- a/Objects/unicodeobject.c	Tue Jul 17 05:45:11 2012 +0300
+++ b/Objects/unicodeobject.c	Tue Jul 17 09:52:35 2012 +0300
@@ -7526,9 +7526,9 @@
             /* Apply mapping */
             if (PyLong_Check(x)) {
                 long value = PyLong_AS_LONG(x);
-                if (value < 0 || value > 65535) {
+                if (value < 0 || value >= 0x110000) {
                     PyErr_SetString(PyExc_TypeError,
-                                    "character mapping must be in range(65536)");
+                                    "character mapping must be in range(0x110000)");
                     Py_DECREF(x);
                     goto onError;
                 }