diff --git a/libprelude.spec b/libprelude.spec
index 1715034..639be5d 100644
--- a/libprelude.spec
+++ b/libprelude.spec
@@ -5,7 +5,7 @@
 
 Name:		libprelude
 Version:	0.9.21.2
-Release:	7%{?dist}
+Release:	8%{?dist}
 Summary:	The prelude library        
 Group:		System Environment/Libraries 
 License:	GPLv2+
@@ -15,7 +15,7 @@ BuildRoot:	%{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
 BuildRequires:	gnutls-devel, python-devel, ruby, ruby-devel, lua-devel
 BuildRequires:	swig chrpath 
-%ifnarch ppc ppc64
+%ifnarch ppc ppc64 s390 s390x
 BuildRequires:	valgrind 
 %endif
 
@@ -158,6 +158,9 @@ rm -rf %{buildroot}
 %{ruby_sitearch}/PreludeEasy.so
 
 %changelog
+* Fri Mar 13 2009 Karsten Hopp <karsten@redhat.com> 0.9.21.2-8
+- don't buildrequire valgrind on s390x, similar to ppc
+
 * Wed Feb 25 2009 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.9.21.2-7
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_11_Mass_Rebuild