diff --git a/xCAT/xCAT.spec b/xCAT/xCAT.spec
index bda78e298..e143ac1f8 100644
--- a/xCAT/xCAT.spec
+++ b/xCAT/xCAT.spec
@@ -240,7 +240,7 @@ fi
 
 mkdir -p /var/log/xcat
 date >> /var/log/xcat/upgrade.log
-$RPM_INSTALL_PREFIX0/sbin/xcatconfig -u -V >> /var/log/xcat/upgrade.log
+$RPM_INSTALL_PREFIX0/sbin/xcatconfig -u -V >> /var/log/xcat/upgrade.log 2>&1
 if grep "Failed to copy  /opt/xcat/share/xcat/netboot/genesis/x86_64/fs" /var/log/xcat/upgrade.log; then
     echo 'mknb failed to complete successfully'
 fi