diff --git a/ksh-20140415-hokaido.patch b/ksh-20140415-hokaido.patch
index 5aedf10..5ff6927 100644
--- a/ksh-20140415-hokaido.patch
+++ b/ksh-20140415-hokaido.patch
@@ -1,8 +1,7 @@
-diff -up ksh-20140415/src/cmd/ksh93/sh/subshell.c.hokaido ksh-20140415/src/cmd/ksh93/sh/subshell.c
-diff -up ksh-20140415/src/cmd/ksh93/sh/xec.c.hokaido ksh-20140415/src/cmd/ksh93/sh/xec.c
---- ksh-20140415/src/cmd/ksh93/sh/xec.c.hokaido	2014-03-17 22:13:55.000000000 +0100
-+++ ksh-20140415/src/cmd/ksh93/sh/xec.c	2014-05-20 18:23:49.712532290 +0200
-@@ -1630,12 +1630,20 @@ tryagain:
+diff -up ksh-20120801/src/cmd/ksh93/sh/xec.c.hokaido ksh-20120801/src/cmd/ksh93/sh/xec.c
+--- ksh-20120801/src/cmd/ksh93/sh/xec.c.hokaido	2014-09-18 14:41:57.696756230 +0200
++++ ksh-20120801/src/cmd/ksh93/sh/xec.c	2014-09-18 14:43:55.439205247 +0200
+@@ -1633,12 +1633,20 @@ int sh_exec(register const Shnode_t *t,
  #endif /* SHOPT_COSHELL */
  			if(shp->subshell)
  			{
@@ -11,7 +10,7 @@ diff -up ksh-20140415/src/cmd/ksh93/sh/xec.c.hokaido ksh-20140415/src/cmd/ksh93/
 +					shp->comsub = 2;
  				sh_subtmpfile(shp);
 +				shp->comsub = comsubsave;
-+				if(shp->comsub==1 && !(shp->fdstatus[1]&IONOSEEK))
++				if(shp->comsub==1 && (!(shp->fdstatus[1]&IONOSEEK)))
 +					unpipe = iousepipe(shp);
 +
  				if((type&(FAMP|TFORK))==(FAMP|TFORK))
@@ -24,3 +23,15 @@ diff -up ksh-20140415/src/cmd/ksh93/sh/xec.c.hokaido ksh-20140415/src/cmd/ksh93/
  						sh_subfork();
  					}
  				}
+@@ -2107,7 +2115,11 @@ int sh_exec(register const Shnode_t *t,
+ 			job.curjobid = 0;
+ 			if(shp->subshell)
+ 			{
++				int comsubsave = shp->comsub;
++				if(comsubsave==1)
++					shp->comsub = 2;
+ 				sh_subtmpfile(shp);
++				shp->comsub = comsubsave;
+ 				if(shp->comsub==1 && !(shp->fdstatus[1]&IONOSEEK))
+ 					iousepipe(shp);
+ 			}
diff --git a/ksh.spec b/ksh.spec
index f26d800..5c0e8ba 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
@@ -118,7 +118,8 @@ Patch49: ksh-20120801-cdfix3.patch
 
 # sent upstream, rhbz#1116506
 Patch50: ksh-20120801-locking.patch
-Patch100: ksh-20130613-cdfix4.patch
+Patch51: ksh-20130613-cdfix4.patch
+Patch52: ksh-20120801-xufix.patch
 
 BuildRoot:    %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 Conflicts:    pdksh
@@ -174,7 +175,8 @@ with "sh" (the Bourne Shell).
 %patch48 -p1 -b .fununset
 %patch49 -p1 -b .cdfix3
 %patch50 -p1 -b .locking
-%patch100 -p1 -b .cdfix4
+%patch51 -p1 -b .cdfix4
+%patch52 -p1 -b .xufix
 
 #/dev/fd test does not work because of mock
 sed -i 's|ls /dev/fd|ls /proc/self/fd|' src/cmd/ksh93/features/options
@@ -275,6 +277,10 @@ fi
     rm -rf $RPM_BUILD_ROOT
 
 %changelog
+* Fri Mar 06 2015 Michal Hlavinka <mhlavink@redhat.com> - 20120801-21
+- exporting fixed with variable corrupted its data (#1192027)
+- ksh hangs when command substitution containing a pipe fills out the pipe buffer (#1121204)
+
 * Wed Aug 27 2014 Michal Hlavinka <mhlavink@redhat.com> - 20120801-20
 - cd builtin file descriptor operations messed with IO redirections (#1133586)