diff --git a/ocaml-camlp5.spec b/ocaml-camlp5.spec
index 277d87c..417e2a3 100644
--- a/ocaml-camlp5.spec
+++ b/ocaml-camlp5.spec
@@ -12,6 +12,7 @@ URL:            http://pauillac.inria.fr/~ddr/camlp5/
 Source0:        http://pauillac.inria.fr/~ddr/camlp5/distrib/src/camlp5-%{version}.tgz
 Source1:        camlp5-META
 BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
+ExcludeArch:    sparc64 s390 s390x
 
 BuildRequires:  ocaml >= 3.10.1, ocaml-ocamldoc
 
@@ -99,6 +100,10 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %changelog
+* Thu Apr 16 2009 S390x secondary arch maintainer <fedora-s390x@lists.fedoraproject.org>
+- ExcludeArch sparc64, s390, s390x as we don't have OCaml on those archs
+  (added sparc64 per request from the sparc maintainer)
+
 * Wed Feb 25 2009 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 5.10-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_11_Mass_Rebuild