diff --git a/ocaml-fileutils.spec b/ocaml-fileutils.spec
index b8c71ee..6defbea 100644
--- a/ocaml-fileutils.spec
+++ b/ocaml-fileutils.spec
@@ -11,6 +11,7 @@ License:        LGPLv2 with exceptions
 URL:            http://www.gallu.homelinux.org/download/
 Source0:        http://www.gallu.homelinux.org/download/ocaml-fileutils-0.3.0.tar.gz
 BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
+ExcludeArch:    sparc64 s390 s390x
 
 BuildRequires:  ocaml
 BuildRequires:  ocaml-findlib-devel
@@ -94,6 +95,10 @@ 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> - 0.3.0-9
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_11_Mass_Rebuild