diff --git a/src/game/game_handler.cpp b/src/game/game_handler.cpp
index 747a557d..35097034 100644
--- a/src/game/game_handler.cpp
+++ b/src/game/game_handler.cpp
@@ -4480,6 +4480,7 @@ void GameHandler::handlePacket(network::Packet& packet) {
         case Opcode::MSG_MOVE_STOP_PITCH:
         case Opcode::MSG_MOVE_START_ASCEND:
         case Opcode::MSG_MOVE_STOP_ASCEND:
+        case Opcode::MSG_MOVE_START_DESCEND:
             if (state == WorldState::IN_WORLD) {
                 handleOtherPlayerMovement(packet);
             }
@@ -12245,7 +12246,7 @@ void GameHandler::handleCompressedMoves(network::Packet& packet) {
 
     // Player movement sub-opcodes (SMSG_MULTIPLE_MOVES carries MSG_MOVE_*)
     // Not static — wireOpcode() depends on runtime active opcode table.
-    const std::array<uint16_t, 22> kMoveOpcodes = {
+    const std::array<uint16_t, 23> kMoveOpcodes = {
         wireOpcode(Opcode::MSG_MOVE_START_FORWARD),
         wireOpcode(Opcode::MSG_MOVE_START_BACKWARD),
         wireOpcode(Opcode::MSG_MOVE_STOP),
@@ -12268,6 +12269,7 @@ void GameHandler::handleCompressedMoves(network::Packet& packet) {
         wireOpcode(Opcode::MSG_MOVE_STOP_PITCH),
         wireOpcode(Opcode::MSG_MOVE_START_ASCEND),
         wireOpcode(Opcode::MSG_MOVE_STOP_ASCEND),
+        wireOpcode(Opcode::MSG_MOVE_START_DESCEND),
     };
 
     // Track unhandled sub-opcodes once per compressed packet (avoid log spam)