diff --git a/network/mhfpacket/msg_sys_cast_binary.go b/network/mhfpacket/msg_sys_cast_binary.go
index 07935f2aa..f0b0c2bd3 100644
--- a/network/mhfpacket/msg_sys_cast_binary.go
+++ b/network/mhfpacket/msg_sys_cast_binary.go
@@ -1,17 +1,16 @@
 package mhfpacket
 
-import ( 
- "errors" 
+import (
+	"errors"
 
- 	"erupe-ce/network/clientctx"
-	"erupe-ce/network"
 	"erupe-ce/common/byteframe"
+	"erupe-ce/network"
+	"erupe-ce/network/clientctx"
 )
 
 // MsgSysCastBinary represents the MSG_SYS_CAST_BINARY
 type MsgSysCastBinary struct {
-	Unk0           uint16
-	Unk1           uint16
+	Unk            uint32
 	BroadcastType  uint8
 	MessageType    uint8
 	RawDataPayload []byte
@@ -24,8 +23,7 @@ func (m *MsgSysCastBinary) Opcode() network.PacketID {
 
 // Parse parses the packet from binary
 func (m *MsgSysCastBinary) Parse(bf *byteframe.ByteFrame, ctx *clientctx.ClientContext) error {
-	m.Unk0 = bf.ReadUint16()
-	m.Unk1 = bf.ReadUint16()
+	m.Unk = bf.ReadUint32()
 	m.BroadcastType = bf.ReadUint8()
 	m.MessageType = bf.ReadUint8()
 	dataSize := bf.ReadUint16()
diff --git a/network/mhfpacket/msg_sys_enter_stage.go b/network/mhfpacket/msg_sys_enter_stage.go
index 977ff486f..5a1ccb8ab 100644
--- a/network/mhfpacket/msg_sys_enter_stage.go
+++ b/network/mhfpacket/msg_sys_enter_stage.go
@@ -4,7 +4,6 @@ import (
 	"errors"
 
 	"erupe-ce/common/byteframe"
-	"erupe-ce/common/bfutil"
 	"erupe-ce/network"
 	"erupe-ce/network/clientctx"
 )
@@ -25,8 +24,8 @@ func (m *MsgSysEnterStage) Opcode() network.PacketID {
 func (m *MsgSysEnterStage) Parse(bf *byteframe.ByteFrame, ctx *clientctx.ClientContext) error {
 	m.AckHandle = bf.ReadUint32()
 	m.UnkBool = bf.ReadUint8()
-	stageIDLength := bf.ReadUint8()
-	m.StageID = string(bfutil.UpToNull(bf.ReadBytes(uint(stageIDLength))))
+	bf.ReadUint8()
+	m.StageID = string(bf.ReadNullTerminatedBytes())
 	return nil
 }