diff --git a/jctools.spec b/jctools.spec
index ef953f6..049537e 100644
--- a/jctools.spec
+++ b/jctools.spec
@@ -10,6 +10,7 @@ URL:            https://github.com/JCTools/JCTools
 Source0:        %{url}/archive/v%{version}/%{srcname}-%{version}.tar.gz
 
 BuildArch:      noarch
+ExclusiveArch:  %{java_arches} noarch
 
 BuildRequires:  maven-local-openjdk8
 BuildRequires:  mvn(com.google.guava:guava-testlib)