diff --git a/scapy/layers/inet6.py b/scapy/layers/inet6.py
index 2fcbd4f81899239ed2d799d39895a25efc9b6d29..2c5f3972a3489e3fb0d4607b6dd6babe0b24be09 100644
--- a/scapy/layers/inet6.py
+++ b/scapy/layers/inet6.py
@@ -2706,7 +2706,7 @@ class MIP6MH_HoTI(_MobilityHeader):
                     ByteEnumField("mhtype", 1, mhtypes),                    
                     ByteField("res", None),
                     XShortField("cksum", None),                    
-                    StrFixedLenField("reserved", "\x00"*16, 16),
+                    StrFixedLenField("reserved", "\x00"*2, 2),
                     StrFixedLenField("cookie", "\x00"*8, 8),
                     _PhantomAutoPadField("autopad", 1), # autopad activated by default
                     _MobilityOptionsField("options", [], MIP6OptUnknown, 16,