diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 50014d572..50b183dbe 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,7 @@
+2009-07-24  Corinna Vinschen  <corinna@vinschen.de>
+
+	* syscalls.cc (internal_setlocale): Fix typo in GBK codepage.
+
 2009-07-24  Corinna Vinschen  <corinna@vinschen.de>
 
 	* syscalls.cc (unlink_nt): Ignore sharing violation on NFS.  Align
diff --git a/winsup/cygwin/syscalls.cc b/winsup/cygwin/syscalls.cc
index 60db05a19..eea65907b 100644
--- a/winsup/cygwin/syscalls.cc
+++ b/winsup/cygwin/syscalls.cc
@@ -4058,7 +4058,7 @@ internal_setlocale (char *ret)
 	  else if (__mbtowc == __eucjp_mbtowc)
 	    cp = 20932;
 	  else if (__mbtowc == __gbk_mbtowc)
-	    cp = 963;
+	    cp = 936;
 	  else if (__mbtowc == __kr_mbtowc)
 	    cp = 949;
 	  else if (__mbtowc == __big5_mbtowc)