diff --git a/xCAT-genesis-builder/installkernel b/xCAT-genesis-builder/installkernel
index 98f24d2bf..c97915893 100755
--- a/xCAT-genesis-builder/installkernel
+++ b/xCAT-genesis-builder/installkernel
@@ -12,3 +12,4 @@ instmods dm-mod  #support LVM for sysclone
 instmods sg # Lenovo thinkserver firmware update support
 instmods ipr # IBM Power RAID
 instmods i40e # Intel 40GbE
+instmods rtc-opal # For hardware clock