diff --git a/xCAT-genesis-builder/installkernel b/xCAT-genesis-builder/installkernel
index 3e527a87c..47a529097 100755
--- a/xCAT-genesis-builder/installkernel
+++ b/xCAT-genesis-builder/installkernel
@@ -9,3 +9,4 @@ instmods ibmveth # ppc64 virtual ethernet
 instmods ibmvscsi # ppc64 virtual disk
 instmods ehea      # ppc64 hea ethernet
 instmods dm-mod  #support LVM for sysclone
+instmods sg # Lenovo thinkserver firmware update support