diff --git a/gsf-sharp.spec b/gsf-sharp.spec
index 7e2bcb6..e39a2e8 100644
--- a/gsf-sharp.spec
+++ b/gsf-sharp.spec
@@ -1,6 +1,6 @@
 Name:           gsf-sharp
 Version:        0.8.1
-Release:        22%{?dist}
+Release:        23%{?dist}
 Summary:        Mono bindings for libgsf
 
 Group:          System Environment/Libraries
@@ -14,7 +14,7 @@ BuildRequires:  gtk-sharp2-devel
 Requires:       libgsf
 
 # Mono only available on these:
-ExclusiveArch: %ix86 x86_64 ppc ppc64 ia64 %{arm} sparcv9 alpha s390x
+ExclusiveArch: %mono_arches
 
 %description
 Mono bindings for libgsf
@@ -60,6 +60,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_libdir}/pkgconfig/gsf-sharp.pc
 
 %changelog
+* Tue Mar 24 2015 Than Ngo <than@redhat.com> - 0.8.1-23
+- use %%mono_arches
+
 * Sat Aug 16 2014 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.8.1-22
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_21_22_Mass_Rebuild