diff --git a/.gitignore b/.gitignore
index 855ef10..cdad419 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,3 +16,5 @@ INIT.2010-07-01.tgz
 /INIT.2010-12-01.tgz
 /ast-ksh.2010-12-12.tgz
 /INIT.2010-12-12.tgz
+/ast-ksh.2011-01-04.tgz
+/INIT.2011-01-04.tgz
diff --git a/ksh-20110104-wctype.patch b/ksh-20110104-wctype.patch
new file mode 100644
index 0000000..0d769b3
--- /dev/null
+++ b/ksh-20110104-wctype.patch
@@ -0,0 +1,43 @@
+diff -up ksh-20110104/src/cmd/ksh93/sh/init.c.wcpatch ksh-20110104/src/cmd/ksh93/sh/init.c
+--- ksh-20110104/src/cmd/ksh93/sh/init.c.wcpatch	2010-12-30 16:08:25.000000000 +0100
++++ ksh-20110104/src/cmd/ksh93/sh/init.c	2011-01-17 14:45:06.199705445 +0100
+@@ -47,39 +47,8 @@
+ #include	"lexstates.h"
+ #include	"version.h"
+ 
+-#if _hdr_wctype
+ #include	<ast_wchar.h>
+ #include	<wctype.h>
+-#endif
+-#if !_typ_wctrans_t
+-#undef	wctrans_t
+-#define wctrans_t	sh_wctrans_t
+-typedef int wctrans_t;
+-#endif
+-#if !_lib_wctrans
+-#undef	wctrans
+-#define wctrans		sh_wctrans
+-static wctrans_t wctrans(const char *name)
+-{
+-	if(strcmp(name,e_tolower)==0)
+-		return(1);
+-	else if(strcmp(name,e_toupper)==0)
+-		return(2);
+-	return(0);
+-}
+-#endif
+-#if !_lib_towctrans
+-#undef	towctrans
+-#define towctrans	sh_towctrans
+-static int towctrans(int c, wctrans_t t)
+-{
+-	if(t==1 && isupper(c))
+-		c = tolower(c);
+-	else if(t==2 && isupper(c))
+-		c = toupper(c);
+-	return(c);
+-}
+-#endif
+ 
+ char e_version[]	= "\n@(#)$Id: Version "
+ #if SHOPT_AUDIT
diff --git a/ksh.spec b/ksh.spec
index 5c8e4b7..d2de79d 100644
--- a/ksh.spec
+++ b/ksh.spec
@@ -1,12 +1,12 @@
-%global       releasedate 2010-11-22
+%global       releasedate 2011-01-04
 
 Name:         ksh
 Summary:      The Original ATT Korn Shell
 URL:          http://www.kornshell.com/
 Group:        System Environment/Shells
 License:      CPL
-Version:      20101212
-Release:      2.20101122%{?dist}
+Version:      20110104
+Release:      1%{?dist}
 Source0:      http://www.research.att.com/~gsf/download/tgz/ast-ksh.%{releasedate}.tgz
 Source1:      http://www.research.att.com/~gsf/download/tgz/INIT.%{releasedate}.tgz
 Source3:      kshrc.rhs
@@ -20,6 +20,9 @@ Patch1:       ksh-20070328-builtins.patch
 #fix regression test suite to be usable during packagebuild - Fedora/RHEL specific
 Patch2:       ksh-20100826-fixregr.patch
 
+#ksh's wctype.h detection script is broken, workaround it
+Patch3:       ksh-20110104-wctype.patch
+
 BuildRoot:    %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 Conflicts:    pdksh
 Requires: coreutils, glibc-common, diffutils
@@ -40,6 +43,7 @@ with "sh" (the Bourne Shell).
 %setup -q -T -D -a 1
 %patch1 -p1 -b .builtins
 %patch2 -p1 -b .fixregr
+%patch3 -p1 -b .wcpatch
 
 #/dev/fd test does not work because of mock
 sed -i 's|ls /dev/fd|ls /proc/self/fd|' src/cmd/ksh93/features/options
@@ -48,7 +52,7 @@ sed -i 's|ls /dev/fd|ls /proc/self/fd|' src/cmd/ksh93/features/options
 ./bin/package
 ./bin/package make mamake ||:
 ./bin/package make mamake ||:
-export CCFLAGS="$RPM_OPT_FLAGS"
+export CCFLAGS="$RPM_OPT_FLAGS -fno-strict-aliasing"
 export CC=gcc
 ./bin/package "make"
 
@@ -118,6 +122,9 @@ fi
     rm -rf $RPM_BUILD_ROOT
 
 %changelog
+* Mon Jan 17 2011 Michal Hlavinka <mhlavink@redhat.com> - 20110104-1
+- ksh updated to 2011-01-04
+
 * Thu Dec 23 2010 Michal Hlavinka <mhlavink@redhat.com> - 20101212-2.20101122
 - found ugly regression, reverting to 2010-11-22 (with io race patch) for now
 
diff --git a/sources b/sources
index 3b5721d..c94b19b 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-ac63a00fbe6e4c6109f74b9013bede3e  ast-ksh.2010-11-22.tgz
-12f259fe7ce1977ee0b8a4622b6cfac7  INIT.2010-11-22.tgz
+646871f0835e4f33bdbcc53c5504b295  ast-ksh.2011-01-04.tgz
+9a1091ba8e44366b518b2a90de784371  INIT.2011-01-04.tgz