diff --git a/ocaml-gettext.spec b/ocaml-gettext.spec
index a54cdb3..9bd0449 100644
--- a/ocaml-gettext.spec
+++ b/ocaml-gettext.spec
@@ -2,12 +2,11 @@
 
 Name:           ocaml-gettext
 Version:        0.3.5
-Release:        5%{?dist}
+Release:        6%{?dist}
 Summary:        OCaml library for i18n
 
 License:        LGPLv2+ with exceptions
 URL:            http://forge.ocamlcore.org/projects/ocaml-gettext
-ExcludeArch:    sparc64 s390 s390x
 
 Source0:        https://forge.ocamlcore.org/frs/download.php/1433/%{name}-%{version}.tar.gz
 
@@ -108,11 +107,13 @@ make all
 
 
 %check
+%if %opt
 %if !0%{?rhel}
 pushd test
 ../_build/bin/test
 popd
 %endif
+%endif
 
 
 %install
@@ -198,6 +199,10 @@ chrpath --delete $OCAMLFIND_DESTDIR/stublibs/dll*.so
 
 
 %changelog
+* Tue Jul 21 2015 Richard W.M. Jones <rjones@redhat.com> - 0.3.5-6
+- Enable bytecode builds.
+- Disable the tests on bytecode-only platforms.
+
 * Tue Jun 23 2015 Richard W.M. Jones <rjones@redhat.com> - 0.3.5-5
 - Bump release and rebuild.