diff --git a/network/mhfpacket/msg_mhf_stampcard_stamp.go b/network/mhfpacket/msg_mhf_stampcard_stamp.go
index 8d18ae971..ec6dac6db 100644
--- a/network/mhfpacket/msg_mhf_stampcard_stamp.go
+++ b/network/mhfpacket/msg_mhf_stampcard_stamp.go
@@ -2,6 +2,7 @@ package mhfpacket
 
 import (
 	"errors"
+	_config "erupe-ce/config"
 
 	"erupe-ce/common/byteframe"
 	"erupe-ce/network"
@@ -34,12 +35,14 @@ func (m *MsgMhfStampcardStamp) Parse(bf *byteframe.ByteFrame, ctx *clientctx.Cli
 	m.GR = bf.ReadUint16()
 	m.Stamps = bf.ReadUint16()
 	_ = bf.ReadUint16()
-	m.Reward1 = uint16(bf.ReadUint32())
-	m.Reward2 = uint16(bf.ReadUint32())
-	m.Item1 = uint16(bf.ReadUint32())
-	m.Item2 = uint16(bf.ReadUint32())
-	m.Quantity1 = uint16(bf.ReadUint32())
-	m.Quantity2 = uint16(bf.ReadUint32())
+	if _config.ErupeConfig.ClientMode != _config.Z1 {
+		m.Reward1 = uint16(bf.ReadUint32())
+		m.Reward2 = uint16(bf.ReadUint32())
+		m.Item1 = uint16(bf.ReadUint32())
+		m.Item2 = uint16(bf.ReadUint32())
+		m.Quantity1 = uint16(bf.ReadUint32())
+		m.Quantity2 = uint16(bf.ReadUint32())
+	}
 	return nil
 }