diff --git a/nodejs-asn1.spec b/nodejs-asn1.spec
index cffa7fa..f9d6fe4 100644
--- a/nodejs-asn1.spec
+++ b/nodejs-asn1.spec
@@ -2,9 +2,10 @@
 
 Name:           nodejs-asn1
 Version:        0.1.11
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        Contains parsers and serializers for ASN.1 (currently BER only)
 BuildArch:      noarch
+ExclusiveArch: %{ix86} x86_64 %{arm} noarch
 
 Group:          System Environment/Libraries
 License:        MIT
@@ -53,6 +54,9 @@ rm -rf %buildroot
 %doc LICENSE README.md
 
 %changelog
+* Sun Jun 23 2013 T.C. Hollingsworth <tchollingsworth@gmail.com> - 0.1.11-3
+- restrict to compatible arches
+
 * Fri Jun 21 2013 T.C. Hollingsworth <tchollingsworth@gmail.com> - 0.1.11-2
 - improve description