diff --git a/ksh-20130613-cdfix4.patch b/ksh-20130613-cdfix4.patch
new file mode 100644
index 0000000..5b29017
--- /dev/null
+++ b/ksh-20130613-cdfix4.patch
@@ -0,0 +1,15 @@
+diff -up ksh-20120801/src/cmd/ksh93/bltins/cd_pwd.c.cdfix4 ksh-20120801/src/cmd/ksh93/bltins/cd_pwd.c
+--- ksh-20120801/src/cmd/ksh93/bltins/cd_pwd.c.cdfix4	2014-08-26 15:24:57.276953822 +0200
++++ ksh-20120801/src/cmd/ksh93/bltins/cd_pwd.c	2014-08-26 15:25:34.738770361 +0200
+@@ -143,9 +143,9 @@ int sh_diropenat(Shell_t *shp, int dir,
+ 	}
+ 
+ 	/* Move fd to a number > 10 and *register* the fd number with the shell */
+-	shfd = sh_fcntl(fd, F_dupfd_cloexec, 10);
++	shfd = fcntl(fd, F_dupfd_cloexec, 10);
+ 	savederrno=errno;
+-	sh_close(fd);
++	close(fd);
+ 	errno=savederrno;
+ 	return(shfd);
+ }
diff --git a/ksh.spec b/ksh.spec
index 6c0798a..31222e8 100644
--- a/ksh.spec
+++ b/ksh.spec
@@ -9,7 +9,7 @@ Group:        System Environment/Shells
 #CPL everywhere else (for KSH itself)
 License:      CPL
 Version:      %{releasedate}
-Release:      20%{?dist}
+Release:      21%{?dist}
 Source0:      http://www.research.att.com/~gsf/download/tgz/ast-ksh.%{release_date}.tgz
 Source1:      http://www.research.att.com/~gsf/download/tgz/INIT.%{release_date}.tgz
 Source2:      kshcomp.conf
@@ -118,6 +118,7 @@ Patch49: ksh-20120801-cdfix3.patch
 
 # sent upstream, rhbz#1116506
 Patch50: ksh-20120801-locking.patch
+Patch100: ksh-20130613-cdfix4.patch
 
 BuildRoot:    %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 Conflicts:    pdksh
@@ -173,6 +174,7 @@ with "sh" (the Bourne Shell).
 %patch48 -p1 -b .fununset
 %patch49 -p1 -b .cdfix3
 %patch50 -p1 -b .locking
+%patch100 -p1 -b .cdfix4
 
 #/dev/fd test does not work because of mock
 sed -i 's|ls /dev/fd|ls /proc/self/fd|' src/cmd/ksh93/features/options
@@ -273,6 +275,9 @@ fi
     rm -rf $RPM_BUILD_ROOT
 
 %changelog
+* Tue Aug 26 2014 Michal Hlavinka <mhlavink@redhat.com> - 20120801-21
+- cd builtin file descriptor operations messed with IO redirections (#1133586)
+
 * Sun Aug 17 2014 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 20120801-20
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_21_22_Mass_Rebuild