diff --git a/eclipse-mylyn.spec b/eclipse-mylyn.spec
index 2ea53ae..564eeb2 100644
--- a/eclipse-mylyn.spec
+++ b/eclipse-mylyn.spec
@@ -6,7 +6,7 @@
 Name: eclipse-mylyn
 Summary: Eclipse Mylyn main feature.
 Version: 3.6.4
-Release: 1%{?dist}
+Release: 2%{?dist}
 License: EPL
 URL: http://www.eclipse.org/mylyn
 
@@ -15,6 +15,9 @@ Source0: eclipse-mylyn-R_3_6_4-fetched-src.tar.bz2
 Source1: fetch-eclipse-mylyn.sh
 
 BuildArch: noarch
+%if 0%{?rhel} >= 6
+ExclusiveArch: %{ix86} x86_64
+%endif
 
 BuildRequires: java-devel >= 1.5.0
 BuildRequires: eclipse-platform >= 1:3.5.0
@@ -63,6 +66,9 @@ unzip -q -o -d %{buildroot}%{install_loc}/mylyn \
 %doc org.eclipse.mylyn-feature/license.html
 
 %changelog
+* Tue Nov 29 2011 Sami Wagiaalla <swagiaal@redhat.com> 3.6.4-2
+- Add ExclusiveArch: %{ix86} x86_64 for RHEL.
+
 * Mon Nov 28 2011 Andrew Robinson <arobinso@redhat.com> 3.6.4-1
 - Update to upstream 3.6.4 release.