diff --git a/scripts/gnt-cluster b/scripts/gnt-cluster
index 5e3420126de9543f3dab7f347c0012e030306808..e7b01980db10aca9dafff30536b97120fb18c60a 100755
--- a/scripts/gnt-cluster
+++ b/scripts/gnt-cluster
@@ -92,6 +92,8 @@ def InitCluster(opts, args):
                         candidate_pool_size=opts.candidate_pool_size,
                         modify_etc_hosts=opts.modify_etc_hosts,
                         )
+  op = opcodes.OpPostInitCluster()
+  SubmitOpCode(op)
   return 0