diff --git a/jzlib.spec b/jzlib.spec
index 28eb024..0d5c8b4 100644
--- a/jzlib.spec
+++ b/jzlib.spec
@@ -5,6 +5,7 @@ Summary:        Re-implementation of zlib in pure Java
 License:        BSD
 URL:            http://www.jcraft.com/jzlib/
 BuildArch:      noarch
+ExclusiveArch:  %{java_arches} noarch
 Source0:        https://github.com/ymnk/jzlib/archive/%{version}.tar.gz
 
 # This patch is sent upstream: https://github.com/ymnk/jzlib/pull/15