diff --git a/network/mhfpacket/msg_mhf_release_event.go b/network/mhfpacket/msg_mhf_release_event.go
index 08e507c81..52178279b 100644
--- a/network/mhfpacket/msg_mhf_release_event.go
+++ b/network/mhfpacket/msg_mhf_release_event.go
@@ -11,7 +11,7 @@ import (
 // MsgMhfReleaseEvent represents the MSG_MHF_RELEASE_EVENT
 type MsgMhfReleaseEvent struct {
 	AckHandle uint32
-	Unk0      uint32
+	RaviID    uint32
 	Unk1      uint32
 }
 
@@ -23,7 +23,7 @@ func (m *MsgMhfReleaseEvent) Opcode() network.PacketID {
 // Parse parses the packet from binary
 func (m *MsgMhfReleaseEvent) Parse(bf *byteframe.ByteFrame, ctx *clientctx.ClientContext) error {
 	m.AckHandle = bf.ReadUint32()
-	m.Unk0 = bf.ReadUint32()
+	m.RaviID = bf.ReadUint32()
 	m.Unk1 = bf.ReadUint32()
 	return nil
 }
diff --git a/server/channelserver/handlers_cast_binary.go b/server/channelserver/handlers_cast_binary.go
index 6652c748f..ded566268 100644
--- a/server/channelserver/handlers_cast_binary.go
+++ b/server/channelserver/handlers_cast_binary.go
@@ -246,7 +246,7 @@ func parseChatCommand(s *Session, command string) {
 	case commands["Raviente"].Prefix:
 		if commands["Raviente"].Enabled {
 			if len(args) > 1 {
-				if getRaviSemaphore(s.server) != nil {
+				if s.server.getRaviSemaphore() != nil {
 					switch args[1] {
 					case "start":
 						if s.server.raviente.register[1] == 0 {
@@ -420,7 +420,7 @@ func handleMsgSysCastBinary(s *Session, p mhfpacket.MHFPacket) {
 		}
 	case BroadcastTypeServer:
 		if pkt.MessageType == 1 {
-			if getRaviSemaphore(s.server) != nil {
+			if s.server.getRaviSemaphore() != nil {
 				s.server.BroadcastMHF(resp, s)
 			}
 		} else {
diff --git a/server/channelserver/handlers_register.go b/server/channelserver/handlers_register.go
index 911249554..57bce3e61 100644
--- a/server/channelserver/handlers_register.go
+++ b/server/channelserver/handlers_register.go
@@ -9,7 +9,8 @@ import (
 func handleMsgMhfRegisterEvent(s *Session, p mhfpacket.MHFPacket) {
 	pkt := p.(*mhfpacket.MsgMhfRegisterEvent)
 	bf := byteframe.NewByteFrame()
-	if pkt.Unk3 > 0 {
+	// Some kind of check if there's already a session
+	if pkt.Unk3 > 0 && s.server.getRaviSemaphore() == nil {
 		doAckSimpleSucceed(s, pkt.AckHandle, make([]byte, 4))
 		return
 	}
@@ -110,7 +111,7 @@ func handleMsgSysLoadRegister(s *Session, p mhfpacket.MHFPacket) {
 }
 
 func (s *Session) notifyRavi() {
-	sema := getRaviSemaphore(s.server)
+	sema := s.server.getRaviSemaphore()
 	if sema == nil {
 		return
 	}
@@ -139,7 +140,7 @@ func (s *Session) notifyRavi() {
 	}
 }
 
-func getRaviSemaphore(s *Server) *Semaphore {
+func (s *Server) getRaviSemaphore() *Semaphore {
 	for _, semaphore := range s.semaphore {
 		if strings.HasPrefix(semaphore.id_semaphore, "hs_l0u3B5") && strings.HasSuffix(semaphore.id_semaphore, "3") {
 			return semaphore
diff --git a/server/channelserver/sys_channel_server.go b/server/channelserver/sys_channel_server.go
index 6273a7939..0de5650c0 100644
--- a/server/channelserver/sys_channel_server.go
+++ b/server/channelserver/sys_channel_server.go
@@ -91,7 +91,7 @@ func NewRaviente() *Raviente {
 }
 
 func (s *Server) GetRaviMultiplier() float64 {
-	raviSema := getRaviSemaphore(s)
+	raviSema := s.getRaviSemaphore()
 	if raviSema != nil {
 		var minPlayers int
 		if s.raviente.register[9] > 8 {