diff --git a/network/mhfpacket/msg_mhf_read_mercenary_w.go b/network/mhfpacket/msg_mhf_read_mercenary_w.go
index 7cb0117e7..c80afee14 100644
--- a/network/mhfpacket/msg_mhf_read_mercenary_w.go
+++ b/network/mhfpacket/msg_mhf_read_mercenary_w.go
@@ -1,17 +1,17 @@
 package mhfpacket
 
-import ( 
- "errors" 
+import (
+	"errors"
 
- 	"erupe-ce/network/clientctx"
-	"erupe-ce/network"
 	"erupe-ce/common/byteframe"
+	"erupe-ce/network"
+	"erupe-ce/network/clientctx"
 )
 
 // MsgMhfReadMercenaryW represents the MSG_MHF_READ_MERCENARY_W
 type MsgMhfReadMercenaryW struct {
 	AckHandle uint32
-	Unk0      uint8
+	Unk0      bool
 	Unk1      uint8
 	Unk2      uint16 // Hardcoded 0 in the binary
 }
@@ -24,7 +24,7 @@ func (m *MsgMhfReadMercenaryW) Opcode() network.PacketID {
 // Parse parses the packet from binary
 func (m *MsgMhfReadMercenaryW) Parse(bf *byteframe.ByteFrame, ctx *clientctx.ClientContext) error {
 	m.AckHandle = bf.ReadUint32()
-	m.Unk0 = bf.ReadUint8()
+	m.Unk0 = bf.ReadBool()
 	m.Unk1 = bf.ReadUint8()
 	m.Unk2 = bf.ReadUint16()
 	return nil
diff --git a/network/mhfpacket/msg_mhf_save_mercenary.go b/network/mhfpacket/msg_mhf_save_mercenary.go
index a52c973ab..3aa2b0311 100644
--- a/network/mhfpacket/msg_mhf_save_mercenary.go
+++ b/network/mhfpacket/msg_mhf_save_mercenary.go
@@ -1,18 +1,20 @@
 package mhfpacket
 
-import ( 
- "errors" 
+import (
+	"errors"
 
- 	"erupe-ce/network/clientctx"
-	"erupe-ce/network"
 	"erupe-ce/common/byteframe"
+	"erupe-ce/network"
+	"erupe-ce/network/clientctx"
 )
 
 // MsgMhfSaveMercenary represents the MSG_MHF_SAVE_MERCENARY
-type MsgMhfSaveMercenary struct{
-	AckHandle      uint32
-	DataSize       uint32
-	RawDataPayload []byte
+type MsgMhfSaveMercenary struct {
+	AckHandle uint32
+	GCP       uint32
+	Unk0      uint32
+	MercData  []byte
+	Unk1      uint32
 }
 
 // Opcode returns the ID associated with this packet type.
@@ -23,8 +25,11 @@ func (m *MsgMhfSaveMercenary) Opcode() network.PacketID {
 // Parse parses the packet from binary
 func (m *MsgMhfSaveMercenary) Parse(bf *byteframe.ByteFrame, ctx *clientctx.ClientContext) error {
 	m.AckHandle = bf.ReadUint32()
-	m.DataSize = bf.ReadUint32()
-	m.RawDataPayload = bf.ReadBytes(uint(m.DataSize))
+	bf.ReadUint32() // lenData
+	m.GCP = bf.ReadUint32()
+	m.Unk0 = bf.ReadUint32()
+	m.MercData = bf.ReadBytes(uint(bf.ReadUint32()))
+	m.Unk1 = bf.ReadUint32()
 	return nil
 }
 
diff --git a/server/channelserver/handlers_mercenary.go b/server/channelserver/handlers_mercenary.go
index bbcf5dceb..37ce9e628 100644
--- a/server/channelserver/handlers_mercenary.go
+++ b/server/channelserver/handlers_mercenary.go
@@ -142,34 +142,30 @@ func handleMsgMhfCreateMercenary(s *Session, p mhfpacket.MHFPacket) {
 
 func handleMsgMhfSaveMercenary(s *Session, p mhfpacket.MHFPacket) {
 	pkt := p.(*mhfpacket.MsgMhfSaveMercenary)
-	bf := byteframe.NewByteFrameFromBytes(pkt.RawDataPayload)
-	GCP := bf.ReadUint32()
-	_ = bf.ReadUint32() // unk
-	MercDataSize := bf.ReadUint32()
-	MercData := bf.ReadBytes(uint(MercDataSize))
-	_ = bf.ReadUint32() // unk
-
-	if MercDataSize > 0 {
-		s.server.db.Exec("UPDATE characters SET savemercenary=$1 WHERE id=$2", MercData[:MercDataSize], s.charID)
+	if len(pkt.MercData) > 0 {
+		s.server.db.Exec("UPDATE characters SET savemercenary=$1 WHERE id=$2", pkt.MercData, s.charID)
 	}
-	s.server.db.Exec("UPDATE characters SET gcp=$1 WHERE id=$2", GCP, s.charID)
+	s.server.db.Exec("UPDATE characters SET gcp=$1 WHERE id=$2", pkt.GCP, s.charID)
 	doAckSimpleSucceed(s, pkt.AckHandle, []byte{0x00, 0x00, 0x00, 0x00})
 }
 
 func handleMsgMhfReadMercenaryW(s *Session, p mhfpacket.MHFPacket) {
 	pkt := p.(*mhfpacket.MsgMhfReadMercenaryW)
+	if pkt.Unk0 {
+		doAckBufSucceed(s, pkt.AckHandle, make([]byte, 2))
+		return
+	}
 	var data []byte
 	var gcp uint32
 	s.server.db.QueryRow("SELECT savemercenary FROM characters WHERE id = $1", s.charID).Scan(&data)
 	s.server.db.QueryRow("SELECT COALESCE(gcp, 0) FROM characters WHERE id = $1", s.charID).Scan(&gcp)
 
 	resp := byteframe.NewByteFrame()
-	resp.WriteUint16(0)
 	if len(data) == 0 {
-		resp.WriteBool(false)
+		resp.WriteBytes(make([]byte, 3))
 	} else {
-		resp.WriteBool(true)
-		resp.WriteBytes(data)
+		resp.WriteBytes(data[1:])
+		resp.WriteUint32(0) // Unk
 	}
 	resp.WriteUint32(gcp)
 	doAckBufSucceed(s, pkt.AckHandle, resp.Data())