diff --git a/hb_const.py b/hb_const.py
index 578b363..02e2709 100755
--- a/hb_const.py
+++ b/hb_const.py
@@ -49,4 +49,7 @@ HBPF_SLT_VHEAD  = 0x1
 HBPF_SLT_VTERM  = 0x2
 
 # Higheset peer ID permitted by HBP
-PEER_MAX = 4294967295
\ No newline at end of file
+PEER_MAX = 4294967295
+
+# Use if late entry
+LC_OPT = '\x00\x00\x20'