diff --git a/src/pocketmine/network/mcpe/protocol/AvailableCommandsPacket.php b/src/pocketmine/network/mcpe/protocol/AvailableCommandsPacket.php
index e61668c2c..60d56d187 100644
--- a/src/pocketmine/network/mcpe/protocol/AvailableCommandsPacket.php
+++ b/src/pocketmine/network/mcpe/protocol/AvailableCommandsPacket.php
@@ -227,7 +227,7 @@ class AvailableCommandsPacket extends DataPacket{
 				$parameter->paramName = $this->getString();
 				$parameter->paramType = $this->getLInt();
 				$parameter->isOptional = $this->getBool();
-				$parameter->byte1 = $this->getByte();
+				$parameter->flags = $this->getByte();
 
 				if($parameter->paramType & self::ARG_FLAG_ENUM){
 					$index = ($parameter->paramType & 0xffff);
@@ -285,7 +285,7 @@ class AvailableCommandsPacket extends DataPacket{
 
 				$this->putLInt($type);
 				$this->putBool($parameter->isOptional);
-				$this->putByte($parameter->byte1);
+				$this->putByte($parameter->flags);
 			}
 		}
 	}
diff --git a/src/pocketmine/network/mcpe/protocol/types/CommandParameter.php b/src/pocketmine/network/mcpe/protocol/types/CommandParameter.php
index 2c26ac9bf..b1a00137b 100644
--- a/src/pocketmine/network/mcpe/protocol/types/CommandParameter.php
+++ b/src/pocketmine/network/mcpe/protocol/types/CommandParameter.php
@@ -31,7 +31,7 @@ class CommandParameter{
 	/** @var bool */
 	public $isOptional;
 	/** @var int */
-	public $byte1 = 0; //unknown, always zero except for in /gamerule command
+	public $flags = 0; //shows enum name if 1, always zero except for in /gamerule command
 	/** @var CommandEnum|null */
 	public $enum;
 	/** @var string|null */