diff --git a/src/pocketmine/network/mcpe/protocol/PlayerActionPacket.php b/src/pocketmine/network/mcpe/protocol/PlayerActionPacket.php
index 647c5c573..48eae374a 100644
--- a/src/pocketmine/network/mcpe/protocol/PlayerActionPacket.php
+++ b/src/pocketmine/network/mcpe/protocol/PlayerActionPacket.php
@@ -49,7 +49,7 @@ class PlayerActionPacket extends DataPacket{
 	public const ACTION_STOP_GLIDE = 16;
 	public const ACTION_BUILD_DENIED = 17;
 	public const ACTION_CONTINUE_BREAK = 18;
-
+	public const ACTION_CHANGE_SKIN = 19;
 	public const ACTION_SET_ENCHANTMENT_SEED = 20;
 	public const ACTION_START_SWIMMING = 21;
 	public const ACTION_STOP_SWIMMING = 22;