diff --git a/cglib.spec b/cglib.spec
index 48563c6..fa29709 100644
--- a/cglib.spec
+++ b/cglib.spec
@@ -11,6 +11,7 @@ Summary:        Code Generation Library for Java
 License:        ASL 2.0 and BSD
 URL:            https://github.com/cglib/cglib
 BuildArch:      noarch
+ExclusiveArch:  %{java_arches} noarch
 
 Source0:        https://github.com/cglib/cglib/archive/%{tarball_name}.tar.gz