diff --git a/ocaml-camlimages.spec b/ocaml-camlimages.spec
index 5651da5..0ffec08 100644
--- a/ocaml-camlimages.spec
+++ b/ocaml-camlimages.spec
@@ -13,6 +13,7 @@ URL:            http://gallium.inria.fr/camlimages/
 Source0:        http://gallium.inria.fr/camlimages/camlimages-%{version}.tar.gz
 Source1:        camlimages-2.2.0-htmlref.tar.gz
 BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
+ExcludeArch:    sparc64 s390 s390x
 
 Patch0:         camlimages-3.0.1-display-module.patch
 
@@ -107,6 +108,10 @@ 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> - 3.0.1-7
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_11_Mass_Rebuild