diff --git a/beust-jcommander.spec b/beust-jcommander.spec
index 26a4e52..e002829 100644
--- a/beust-jcommander.spec
+++ b/beust-jcommander.spec
@@ -7,6 +7,7 @@ Summary:        Java framework for parsing command line parameters
 License:        ASL 2.0
 URL:            http://jcommander.org/
 BuildArch:      noarch
+ExclusiveArch:  %{java_arches} noarch
 
 # ./generate-tarball.sh
 Source0:        %{name}-%{version}.tar.gz