diff --git a/junit.spec b/junit.spec
index cb3eaef..8ea08b8 100644
--- a/junit.spec
+++ b/junit.spec
@@ -8,6 +8,7 @@ Summary:        Java regression test package
 License:        EPL-1.0
 URL:            http://www.junit.org/
 BuildArch:      noarch
+ExclusiveArch:  %{java_arches} noarch
 
 # ./generate-tarball.sh
 Source0:        %{name}-%{version}.tar.gz