diff --git a/ocaml-SDL.spec b/ocaml-SDL.spec
index 8a5f979..b5eb4aa 100644
--- a/ocaml-SDL.spec
+++ b/ocaml-SDL.spec
@@ -12,6 +12,7 @@ URL:            http://ocamlsdl.sourceforge.net
 Source0:        http://downloads.sourceforge.net/ocamlsdl/ocamlsdl-%{version}.tar.gz
 Source1:        ocamlsdl-0.7.2-htmlref.tar.gz
 BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
+ExcludeArch:    sparc64 s390 s390x
 
 BuildRequires:  ocaml-lablgl-devel
 BuildRequires:  SDL_ttf-devel, SDL_mixer-devel, SDL_image-devel 
@@ -79,6 +80,10 @@ 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> - 0.7.2-18
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_11_Mass_Rebuild