diff -r 8ccb3ad39ee4 Modules/unicodedata.c
--- a/Modules/unicodedata.c	Sun Feb 05 22:58:46 2017 +0200
+++ b/Modules/unicodedata.c	Mon Feb 06 11:55:09 2017 +0900
@@ -681,7 +681,7 @@
       if (LBase <= code && code < (LBase+LCount) &&
           i + 1 < len &&
           VBase <= PyUnicode_READ(kind, data, i+1) &&
-          PyUnicode_READ(kind, data, i+1) <= (VBase+VCount)) {
+          PyUnicode_READ(kind, data, i+1) < (VBase+VCount)) {
           int LIndex, VIndex;
           LIndex = code - LBase;
           VIndex = PyUnicode_READ(kind, data, i+1) - VBase;