diff --git a/docs/net_protocol.txt b/docs/net_protocol.txt
index d0ff390f..2531565f 100644
--- a/docs/net_protocol.txt
+++ b/docs/net_protocol.txt
@@ -447,10 +447,17 @@ Server Notification: Player Left
 	 0                   1                   2                   3
 	 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
 	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-	|        Message Type = 53      |     Message Length = 8        |
+	|        Message Type = 53      |     Message Length = 12       |
 	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 	|                           Player ID                           |
 	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+	|         Leave Reason          |          Reserved             |
+	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+Leave Reason:
+	0x0000 - On Request
+	0x0001 - Kicked from the game
+	0xFFFF - Other reason
 
 
 Server Notification: Game Admin Changed
diff --git a/src/net/common/netpacket.cpp b/src/net/common/netpacket.cpp
index 4f4cdaf1..daad333c 100644
--- a/src/net/common/netpacket.cpp
+++ b/src/net/common/netpacket.cpp
@@ -309,6 +309,8 @@ struct GCC_PACKED NetPacketPlayerLeftData
 {
 	NetPacketHeader		head;
 	u_int32_t			playerId;
+	u_int16_t			leaveReason;
+	u_int16_t			reserved;
 };
 
 struct GCC_PACKED NetPacketGameAdminChangedData
diff --git a/src/net/netpacket.h b/src/net/netpacket.h
index 0da9158a..2ab487ab 100644
--- a/src/net/netpacket.h
+++ b/src/net/netpacket.h
@@ -30,7 +30,7 @@
 #include <vector>
 #include <list>
 
-#define NET_VERSION_MAJOR			2
+#define NET_VERSION_MAJOR			3
 #define NET_VERSION_MINOR			0
 
 #define MIN_PACKET_SIZE				4