diff --git a/plexus-classworlds.spec b/plexus-classworlds.spec
index cb813b1..733d2f1 100644
--- a/plexus-classworlds.spec
+++ b/plexus-classworlds.spec
@@ -2,11 +2,12 @@
 
 Name:           plexus-classworlds
 Version:        2.6.0
-Release:        12%{?dist}
+Release:        13%{?dist}
 Summary:        Plexus Classworlds Classloader Framework
 License:        ASL 2.0 and Plexus
 URL:            https://github.com/codehaus-plexus/plexus-classworlds
 BuildArch:      noarch
+ExclusiveArch:  aarch64 ppc64le s390x x86_64
 
 Source0:        https://github.com/codehaus-plexus/%{name}/archive/%{name}-%{version}.tar.gz
 
@@ -52,6 +53,9 @@ sed -i /testConfigure_Optionally_Existent/s/./@org.junit.Ignore/ $(find -name Co
 %license LICENSE.txt LICENSE-2.0.txt
 
 %changelog
+* Sat Nov 23 2024 Marián Konček <mkoncek@redhat.com> - 2.6.0-13
+- Disable building on i686
+
 * Wed Nov 20 2024 Marián Konček <mkoncek@redhat.com> - 2.6.0-12
 - Rebuild with regenerated Requires on Java