diff --git a/network/mhfpacket/msg_mhf_set_ca_achievement_hist.go b/network/mhfpacket/msg_mhf_set_ca_achievement_hist.go
index a04d6b89f..0b4fad343 100644
--- a/network/mhfpacket/msg_mhf_set_ca_achievement_hist.go
+++ b/network/mhfpacket/msg_mhf_set_ca_achievement_hist.go
@@ -1,18 +1,24 @@
 package mhfpacket
 
-import ( 
- "errors" 
+import (
+	"errors"
 
- 	"erupe-ce/network/clientctx"
-	"erupe-ce/network"
 	"erupe-ce/common/byteframe"
+	"erupe-ce/network"
+	"erupe-ce/network/clientctx"
 )
 
-// MsgMhfSetCaAchievementHist represents the MSG_MHF_SET_CA_ACHIEVEMENT_HIST
-type MsgMhfSetCaAchievementHist struct{
-	AckHandle uint32
+type CaAchievementHist struct {
 	Unk0 uint32
-	Unk1 uint32
+	Unk1 uint8
+}
+
+// MsgMhfSetCaAchievementHist represents the MSG_MHF_SET_CA_ACHIEVEMENT_HIST
+type MsgMhfSetCaAchievementHist struct {
+	AckHandle uint32
+	Unk0      uint16
+	Unk1      uint8
+	Unk2      []CaAchievementHist
 }
 
 // Opcode returns the ID associated with this packet type.
@@ -23,8 +29,14 @@ func (m *MsgMhfSetCaAchievementHist) Opcode() network.PacketID {
 // Parse parses the packet from binary
 func (m *MsgMhfSetCaAchievementHist) Parse(bf *byteframe.ByteFrame, ctx *clientctx.ClientContext) error {
 	m.AckHandle = bf.ReadUint32()
-	m.Unk0 = bf.ReadUint32()
-	m.Unk1 = bf.ReadUint32()
+	m.Unk0 = bf.ReadUint16()
+	m.Unk1 = bf.ReadUint8()
+	for i := 0; i < int(m.Unk1); i++ {
+		var temp CaAchievementHist
+		temp.Unk0 = bf.ReadUint32()
+		temp.Unk1 = bf.ReadUint8()
+		m.Unk2 = append(m.Unk2, temp)
+	}
 	return nil
 }