diff --git a/src/game/Opcodes.h b/src/game/Opcodes.h
index 79a06f7a2..6fb819ea0 100644
--- a/src/game/Opcodes.h
+++ b/src/game/Opcodes.h
@@ -1002,7 +1002,7 @@ enum Opcodes
     SMSG_SPELL_CHANCE_PROC_LOG                            = 0x13AB,
     CMSG_MOVE_SET_RUN_SPEED                               = 0x13AC,
     SMSG_DISMOUNT                                         = 0x2135, // 4.3.4 15595
-    MSG_MOVE_UPDATE_CAN_FLY                               = 0x13AE,
+    SMSG_MOVE_UPDATE_CAN_FLY                              = 0x3DA1, // 4.3.4 15595
     MSG_RAID_READY_CHECK_CONFIRM                          = 0x4F05, // 4.3.4 15595
     CMSG_VOICE_SESSION_ENABLE                             = 0x2314, // 4.3.4 15595
     SMSG_VOICE_SESSION_ENABLE                             = 0x13B1,
diff --git a/src/game/Server/Opcodes.cpp b/src/game/Server/Opcodes.cpp
index f93a64c4e..dd7e63b23 100644
--- a/src/game/Server/Opcodes.cpp
+++ b/src/game/Server/Opcodes.cpp
@@ -1025,7 +1025,7 @@ void InitializeOpcodes()
     //OPCODE(SMSG_SPELL_CHANCE_PROC_LOG,                   STATUS_NEVER,    PROCESS_INPLACE,      &WorldSession::Handle_ServerSide               );
     //OPCODE(CMSG_MOVE_SET_RUN_SPEED,                      STATUS_NEVER,    PROCESS_INPLACE,      &WorldSession::Handle_NULL                     );
     OPCODE(SMSG_DISMOUNT,                                STATUS_NEVER,    PROCESS_INPLACE,      &WorldSession::Handle_ServerSide               );
-    //OPCODE(MSG_MOVE_UPDATE_CAN_FLY,                      STATUS_NEVER,    PROCESS_INPLACE,      &WorldSession::Handle_NULL                     );
+    OPCODE(SMSG_MOVE_UPDATE_CAN_FLY,                     STATUS_UNHANDLED,    PROCESS_INPLACE,  &WorldSession::Handle_NULL                     );
     OPCODE(MSG_RAID_READY_CHECK_CONFIRM,                 STATUS_NEVER,    PROCESS_INPLACE,      &WorldSession::Handle_NULL                     );
     OPCODE(CMSG_VOICE_SESSION_ENABLE,                    STATUS_AUTHED,   PROCESS_THREADUNSAFE, &WorldSession::HandleVoiceSessionEnableOpcode  );
     //OPCODE(SMSG_VOICE_SESSION_ENABLE,                    STATUS_NEVER,    PROCESS_INPLACE,      &WorldSession::Handle_NULL                     );