diff --git a/microcode_ctl.spec b/microcode_ctl.spec
index d22a006..670a16d 100644
--- a/microcode_ctl.spec
+++ b/microcode_ctl.spec
@@ -15,7 +15,7 @@ Buildroot:      %{_tmppath}/%{name}-%{version}-root
 Requires(pre):  /sbin/chkconfig /sbin/service
 Requires(pre):  grep gawk coreutils
 Obsoletes:      kernel-utils
-ExclusiveArch:  i386 x86_64
+ExclusiveArch:  i586 x86_64
 
 Patch1: microcode_ctl.patch
 
@@ -78,6 +78,9 @@ family=`cat /proc/cpuinfo | grep "^cpu family" | sort -u | awk -F ": " '{ print
 exit 0
 
 %changelog
+* Wed Jun 03 2009 Kyle McMartin <kyle@redhat.com> 1:1.17-1.50
+- Change ExclusiveArch to i586 instead of i386. Resolves rhbz#497711.
+
 * Wed May 13 2009 Dave Jones <davej@redhat.com>
 - update to microcode 20090330