diff --git a/supermin.spec b/supermin.spec
index fb383cc..28ea332 100644
--- a/supermin.spec
+++ b/supermin.spec
@@ -29,6 +29,9 @@ Requires:       xmlstarlet
 Requires:       zypper
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 Source0:        http://libguestfs.org/download/supermin/supermin-%{version}.tar.xz
+%if "%{?_ignore_exclusive_arch}" == ""
+ExclusiveArch:  x86_64 ppc64 ppc64le s390x
+%endif
 
 BuildRequires:  autoconf
 BuildRequires:  automake