diff --git a/src/pocketmine/network/mcpe/protocol/types/WindowTypes.php b/src/pocketmine/network/mcpe/protocol/types/WindowTypes.php
index 9caeac76f..e71e9fba9 100644
--- a/src/pocketmine/network/mcpe/protocol/types/WindowTypes.php
+++ b/src/pocketmine/network/mcpe/protocol/types/WindowTypes.php
@@ -45,5 +45,6 @@ interface WindowTypes{
 	const STRUCTURE_EDITOR = 14;
 	const TRADING = 15;
 	const COMMAND_BLOCK = 16;
+	const JUKEBOX = 17;
 
 }
\ No newline at end of file