diff --git a/ocaml-cairo.spec b/ocaml-cairo.spec
index 68eaa3a..e51c586 100644
--- a/ocaml-cairo.spec
+++ b/ocaml-cairo.spec
@@ -22,6 +22,7 @@ URL:            http://cairographics.org/cairo-ocaml/
 Source0:        ocaml-cairo-%{version}.tar.gz
 Source1:        ocaml-cairo-META
 BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
+ExcludeArch:    sparc64 s390 s390x
 
 BuildRequires:  ocaml >= 3.10.0
 BuildRequires:  ocaml-findlib-devel
@@ -118,6 +119,10 @@ 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> - 1.2.0.cvs20080301-8
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_11_Mass_Rebuild