diff --git a/src/pocketmine/network/protocol/ChangeDimensionPacket.php b/src/pocketmine/network/protocol/ChangeDimensionPacket.php
index 2ce2a03c3..da2308b66 100644
--- a/src/pocketmine/network/protocol/ChangeDimensionPacket.php
+++ b/src/pocketmine/network/protocol/ChangeDimensionPacket.php
@@ -44,7 +44,7 @@ class ChangeDimensionPacket extends DataPacket{
 		$this->reset();
 		$this->putVarInt($this->dimension);
 		$this->putVector3f($this->x, $this->y, $this->z);
-		$this->putByte($this->unknown);
+		$this->putBool($this->unknown);
 	}
 
 }
\ No newline at end of file
diff --git a/src/pocketmine/network/protocol/CraftingDataPacket.php b/src/pocketmine/network/protocol/CraftingDataPacket.php
index d670b701c..edbec89a4 100644
--- a/src/pocketmine/network/protocol/CraftingDataPacket.php
+++ b/src/pocketmine/network/protocol/CraftingDataPacket.php
@@ -163,7 +163,7 @@ class CraftingDataPacket extends DataPacket{
 			$writer->reset();
 		}
 
-		$this->putByte($this->cleanRecipes ? 1 : 0);
+		$this->putBool($this->cleanRecipes);
 	}
 
 }
diff --git a/src/pocketmine/network/protocol/DisconnectPacket.php b/src/pocketmine/network/protocol/DisconnectPacket.php
index 1b1a5d40a..456267c9f 100644
--- a/src/pocketmine/network/protocol/DisconnectPacket.php
+++ b/src/pocketmine/network/protocol/DisconnectPacket.php
@@ -27,14 +27,17 @@ namespace pocketmine\network\protocol;
 class DisconnectPacket extends DataPacket{
 	const NETWORK_ID = Info::DISCONNECT_PACKET;
 
+	public $hideDisconnectionScreen = false;
 	public $message;
 
 	public function decode(){
+		$this->hideDisconnectionScreen = $this->getBool();
 		$this->message = $this->getString();
 	}
 
 	public function encode(){
 		$this->reset();
+		$this->putBool($this->hideDisconnectionScreen);
 		$this->putString($this->message);
 	}
 
diff --git a/src/pocketmine/network/protocol/LevelSoundEventPacket.php b/src/pocketmine/network/protocol/LevelSoundEventPacket.php
index 5a7c7787e..410908493 100644
--- a/src/pocketmine/network/protocol/LevelSoundEventPacket.php
+++ b/src/pocketmine/network/protocol/LevelSoundEventPacket.php
@@ -44,6 +44,6 @@ class LevelSoundEventPacket extends DataPacket{
 		$this->putVector3f($this->x, $this->y, $this->z);
 		$this->putVarInt($this->volume);
 		$this->putVarInt($this->pitch);
-		$this->putByte($this->unknownBool);
+		$this->putBool($this->unknownBool);
 	}
 }
\ No newline at end of file
diff --git a/src/pocketmine/network/protocol/MobEffectPacket.php b/src/pocketmine/network/protocol/MobEffectPacket.php
index 80fa0fa1f..e7e608e68 100644
--- a/src/pocketmine/network/protocol/MobEffectPacket.php
+++ b/src/pocketmine/network/protocol/MobEffectPacket.php
@@ -48,7 +48,7 @@ class MobEffectPacket extends DataPacket{
 		$this->putByte($this->eventId);
 		$this->putVarInt($this->effectId);
 		$this->putVarInt($this->amplifier);
-		$this->putByte($this->particles);
+		$this->putBool($this->particles);
 		$this->putVarInt($this->duration);
 	}
 
diff --git a/src/pocketmine/network/protocol/MovePlayerPacket.php b/src/pocketmine/network/protocol/MovePlayerPacket.php
index b3dd65496..3c8e0f2ec 100644
--- a/src/pocketmine/network/protocol/MovePlayerPacket.php
+++ b/src/pocketmine/network/protocol/MovePlayerPacket.php
@@ -53,7 +53,7 @@ class MovePlayerPacket extends DataPacket{
 		$this->yaw = $this->getLFloat();
 		$this->bodyYaw = $this->getLFloat();
 		$this->mode = $this->getByte();
-		$this->onGround = $this->getByte() > 0;
+		$this->onGround = $this->getBool();
 	}
 
 	public function encode(){
@@ -64,7 +64,7 @@ class MovePlayerPacket extends DataPacket{
 		$this->putLFloat($this->yaw);
 		$this->putLFloat($this->bodyYaw); //TODO
 		$this->putByte($this->mode);
-		$this->putByte($this->onGround > 0);
+		$this->putBool($this->onGround);
 	}
 
 }
diff --git a/src/pocketmine/network/protocol/PlayerInputPacket.php b/src/pocketmine/network/protocol/PlayerInputPacket.php
index 90913ef77..6ae9edd33 100644
--- a/src/pocketmine/network/protocol/PlayerInputPacket.php
+++ b/src/pocketmine/network/protocol/PlayerInputPacket.php
@@ -35,8 +35,8 @@ class PlayerInputPacket extends DataPacket{
 	public function decode(){
 		$this->motionX = $this->getLFloat();
 		$this->motionY = $this->getLFloat();
-		$this->unknownBool1 = $this->getByte();
-		$this->unknownBool2 = $this->getByte();
+		$this->unknownBool1 = $this->getBool();
+		$this->unknownBool2 = $this->getBool();
 	}
 
 	public function encode(){
diff --git a/src/pocketmine/network/protocol/ResourcePacksInfoPacket.php b/src/pocketmine/network/protocol/ResourcePacksInfoPacket.php
index 6f969565a..8f029c455 100644
--- a/src/pocketmine/network/protocol/ResourcePacksInfoPacket.php
+++ b/src/pocketmine/network/protocol/ResourcePacksInfoPacket.php
@@ -40,7 +40,7 @@ class ResourcePacksInfoPacket extends DataPacket{
 	public function encode(){
 		$this->reset();
 
-		$this->putByte($this->mustAccept);
+		$this->putBool($this->mustAccept);
 		$this->putShort(count($this->behaviourPackEntries));
 		foreach($this->behaviourPackEntries as $entry){
 			$this->putString($entry->getPackId());
diff --git a/src/pocketmine/network/protocol/SetCommandsEnabledPacket.php b/src/pocketmine/network/protocol/SetCommandsEnabledPacket.php
index ad9a92672..7510f75d7 100644
--- a/src/pocketmine/network/protocol/SetCommandsEnabledPacket.php
+++ b/src/pocketmine/network/protocol/SetCommandsEnabledPacket.php
@@ -35,7 +35,7 @@ class SetCommandsEnabledPacket extends DataPacket{
 	
 	public function encode(){
 		$this->reset();
-		$this->putByte($this->enabled);
+		$this->putBool($this->enabled);
 	}
 
 }
\ No newline at end of file
diff --git a/src/pocketmine/network/protocol/SetSpawnPositionPacket.php b/src/pocketmine/network/protocol/SetSpawnPositionPacket.php
index a220671e0..45a6d803b 100644
--- a/src/pocketmine/network/protocol/SetSpawnPositionPacket.php
+++ b/src/pocketmine/network/protocol/SetSpawnPositionPacket.php
@@ -31,6 +31,7 @@ class SetSpawnPositionPacket extends DataPacket{
 	public $x;
 	public $y;
 	public $z;
+	public $unknownBool;
 
 	public function decode(){
 
@@ -40,6 +41,7 @@ class SetSpawnPositionPacket extends DataPacket{
 		$this->reset();
 		$this->putVarInt($this->unknown);
 		$this->putBlockCoords($this->x, $this->y, $this->z);
+		$this->putBool($this->unknownBool);
 	}
 
 }
diff --git a/src/pocketmine/network/protocol/SetTimePacket.php b/src/pocketmine/network/protocol/SetTimePacket.php
index 5ea5bf205..baf4869de 100644
--- a/src/pocketmine/network/protocol/SetTimePacket.php
+++ b/src/pocketmine/network/protocol/SetTimePacket.php
@@ -36,7 +36,7 @@ class SetTimePacket extends DataPacket{
 	public function encode(){
 		$this->reset();
 		$this->putVarInt($this->time);
-		$this->putByte((int) $this->started);
+		$this->putBool($this->started);
 	}
 
 }
diff --git a/src/pocketmine/network/protocol/StartGamePacket.php b/src/pocketmine/network/protocol/StartGamePacket.php
index 939b91a19..0081d2815 100644
--- a/src/pocketmine/network/protocol/StartGamePacket.php
+++ b/src/pocketmine/network/protocol/StartGamePacket.php
@@ -67,13 +67,13 @@ class StartGamePacket extends DataPacket{
 		$this->putVarInt($this->gamemode);
 		$this->putVarInt($this->difficulty);
 		$this->putBlockCoords($this->spawnX, $this->spawnY, $this->spawnZ);
-		$this->putByte($this->hasAchievementsDisabled);
+		$this->putBool($this->hasAchievementsDisabled);
 		$this->putVarInt($this->dayCycleStopTime);
-		$this->putByte($this->eduMode);
+		$this->putBool($this->eduMode);
 		$this->putLFloat($this->rainLevel);
 		$this->putLFloat($this->lightningLevel);
-		$this->putByte($this->commandsEnabled);
-		$this->putByte($this->isTexturePacksRequired);
+		$this->putBool($this->commandsEnabled);
+		$this->putBool($this->isTexturePacksRequired);
 		$this->putString($this->unknown);
 		$this->putString($this->worldName);
 	}
diff --git a/src/pocketmine/utils/BinaryStream.php b/src/pocketmine/utils/BinaryStream.php
index 3896a4a4c..8323b615b 100644
--- a/src/pocketmine/utils/BinaryStream.php
+++ b/src/pocketmine/utils/BinaryStream.php
@@ -70,6 +70,14 @@ class BinaryStream extends \stdClass{
 		$this->buffer .= $str;
 	}
 
+	public function getBool() : bool{
+		return (bool) $this->getByte();
+	}
+
+	public function putBool($v){
+		$this->putByte((bool) $v);
+	}
+
 	public function getLong(){
 		return Binary::readLong($this->get(8));
 	}