diff --git a/coreutils-colorls.csh b/coreutils-colorls.csh
index 2d259a8..317cd0c 100755
--- a/coreutils-colorls.csh
+++ b/coreutils-colorls.csh
@@ -17,7 +17,7 @@ if ($?TERM) then
   endif
 endif
 if ( -e "/etc/DIR_COLORS.256color" ) then
-  if ( "`tput colors`" == "256" ) then
+  if ( "`tty -s && tput colors`" == "256" ) then
      set COLORS=/etc/DIR_COLORS.256color
   endif 
 endif
diff --git a/coreutils-colorls.sh b/coreutils-colorls.sh
index 928667e..f4d6400 100755
--- a/coreutils-colorls.sh
+++ b/coreutils-colorls.sh
@@ -18,7 +18,7 @@ if [ -z "$USER_LS_COLORS" ]; then
   done
 
   [ -z "$COLORS" ] && [ -e "/etc/DIR_COLORS.256color" ] && \
-      [ "x`tput colors 2>/dev/null`" = "x256" ] && \
+      [ "x`tty -s && tput colors 2>/dev/null`" = "x256" ] && \
       COLORS="/etc/DIR_COLORS.256color"
 
   if [ -z "$COLORS" ]; then
diff --git a/coreutils.spec b/coreutils.spec
index dfa141a..5efab8e 100644
--- a/coreutils.spec
+++ b/coreutils.spec
@@ -1,7 +1,7 @@
 Summary: A set of basic GNU tools commonly used in shell scripts
 Name:    coreutils
 Version: 8.4
-Release: 5%{?dist}
+Release: 6%{?dist}
 License: GPLv3+
 Group:   System Environment/Base
 Url:     http://www.gnu.org/software/coreutils/
@@ -337,6 +337,10 @@ fi
 %{_libdir}/coreutils
 
 %changelog
+* Sat Mar 20 2010 Ondrej Vasik <ovasik@redhat.com> - 8.4-6
+- run tput colors in colorls profile.d scripts only
+  in the interactive mode(#450424)
+
 * Fri Feb 12 2010 Ondrej Vasik <ovasik@redhat.com> - 8.4-5
 - fix exit status of terminated child processes in su with
   pam(#559098)