diff --git a/qdox.spec b/qdox.spec
index 0de24d5..e233cd2 100644
--- a/qdox.spec
+++ b/qdox.spec
@@ -9,6 +9,7 @@ Summary:        Extract class/interface/method definitions from sources
 License:        ASL 2.0
 URL:            https://github.com/paul-hammant/qdox
 BuildArch:      noarch
+ExclusiveArch:  %{java_arches} noarch
 
 # ./generate-tarball.sh
 Source0:        %{name}-%{version}.tar.gz