diff --git a/antlr.spec b/antlr.spec
index e2fdb20..512016e 100644
--- a/antlr.spec
+++ b/antlr.spec
@@ -7,6 +7,8 @@ Version:       2.7.7
 Release:       69%{?dist}
 License:       ANTLR-PD
 URL:           http://www.antlr2.org/
+ExclusiveArch: %{java_arches}
+
 # ./generate-tarball.sh
 Source0:       antlr-%{version}.tar.gz
 Source1:       %{name}-build.xml