diff --git a/ksh-20110208-clist.patch b/ksh-20110208-clist.patch
new file mode 100644
index 0000000..4f9d1ed
--- /dev/null
+++ b/ksh-20110208-clist.patch
@@ -0,0 +1,12 @@
+diff -up ksh-20110208/src/cmd/ksh93/sh/subshell.c.clist ksh-20110208/src/cmd/ksh93/sh/subshell.c
+--- ksh-20110208/src/cmd/ksh93/sh/subshell.c.clist	2010-11-03 21:01:11.000000000 +0100
++++ ksh-20110208/src/cmd/ksh93/sh/subshell.c	2011-03-02 15:52:14.339083830 +0100
+@@ -242,7 +242,7 @@ Namval_t *sh_assignok(register Namval_t 
+ 	if(!sp->shpwd || np==SH_LEVELNOD || np==L_ARGNOD || np==SH_SUBSCRNOD || np==SH_NAMENOD)
+ 		return(np);
+ 	/* don't bother to save if in newer scope */
+-	if(sp->var!=shp->var_tree && shp->last_root==shp->var_tree)
++	if(sp->var!=shp->var_tree && sp->var!=shp->var_base && shp->last_root==shp->var_tree)
+ 		return(np);
+ 	if((ap=nv_arrayptr(np)) && (mp=nv_opensub(np)))
+ 	{
diff --git a/ksh.spec b/ksh.spec
index c593fbe..7f5cf21 100644
--- a/ksh.spec
+++ b/ksh.spec
@@ -6,7 +6,7 @@ URL:          http://www.kornshell.com/
 Group:        System Environment/Shells
 License:      CPL
 Version:      20110208
-Release:      1%{?dist}
+Release:      2%{?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 +20,8 @@ Patch1:       ksh-20070328-builtins.patch
 #fix regression test suite to be usable during packagebuild - Fedora/RHEL specific
 Patch2:       ksh-20100826-fixregr.patch
 
+Patch3:       ksh-20110208-clist.patch
+
 BuildRoot:    %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 Conflicts:    pdksh
 Requires: coreutils, glibc-common, diffutils
@@ -40,6 +42,7 @@ with "sh" (the Bourne Shell).
 %setup -q -T -D -a 1
 %patch1 -p1 -b .builtins
 %patch2 -p1 -b .fixregr
+%patch3 -p1 -b .clist
 
 #/dev/fd test does not work because of mock
 sed -i 's|ls /dev/fd|ls /proc/self/fd|' src/cmd/ksh93/features/options
@@ -118,6 +121,9 @@ fi
     rm -rf $RPM_BUILD_ROOT
 
 %changelog
+* Mon Mar 07 2011 Michal Hlavinka <mhlavink@redhat.com> - 20110208-2
+- fix ( ) compound list altering environment
+
 * Wed Feb 09 2011 Michal Hlavinka <mhlavink@redhat.com> - 20110208-1
 - ksh updated to 2011-02-08