diff --git a/src/network/mcpe/protocol/StartGamePacket.php b/src/network/mcpe/protocol/StartGamePacket.php
index cd56a2ee7..dd60f1081 100644
--- a/src/network/mcpe/protocol/StartGamePacket.php
+++ b/src/network/mcpe/protocol/StartGamePacket.php
@@ -30,6 +30,7 @@ use pocketmine\nbt\tag\ListTag;
 use pocketmine\network\mcpe\protocol\serializer\NetworkBinaryStream;
 use pocketmine\network\mcpe\protocol\types\CacheableNbt;
 use pocketmine\network\mcpe\protocol\types\EducationEditionOffer;
+use pocketmine\network\mcpe\protocol\types\GameRuleType;
 use pocketmine\network\mcpe\protocol\types\GeneratorType;
 use pocketmine\network\mcpe\protocol\types\MultiplayerGameVisibility;
 use pocketmine\network\mcpe\protocol\types\PlayerPermissions;
@@ -100,7 +101,7 @@ class StartGamePacket extends DataPacket implements ClientboundPacket{
 	 * @phpstan-var array<string, array{0: int, 1: bool|int|float}>
 	 */
 	public $gameRules = [ //TODO: implement this
-		"naturalregeneration" => [1, false] //Hack for client side regeneration
+		"naturalregeneration" => [GameRuleType::BOOL, false] //Hack for client side regeneration
 	];
 	/** @var bool */
 	public $hasBonusChestEnabled = false;
diff --git a/src/network/mcpe/protocol/serializer/NetworkBinaryStream.php b/src/network/mcpe/protocol/serializer/NetworkBinaryStream.php
index 8b9eaedbc..73cd7a525 100644
--- a/src/network/mcpe/protocol/serializer/NetworkBinaryStream.php
+++ b/src/network/mcpe/protocol/serializer/NetworkBinaryStream.php
@@ -44,6 +44,7 @@ use pocketmine\network\mcpe\protocol\types\entity\MetadataProperty;
 use pocketmine\network\mcpe\protocol\types\entity\ShortMetadataProperty;
 use pocketmine\network\mcpe\protocol\types\entity\StringMetadataProperty;
 use pocketmine\network\mcpe\protocol\types\entity\Vec3MetadataProperty;
+use pocketmine\network\mcpe\protocol\types\GameRuleType;
 use pocketmine\network\mcpe\protocol\types\inventory\ItemStack;
 use pocketmine\network\mcpe\protocol\types\PersonaPieceTintColor;
 use pocketmine\network\mcpe\protocol\types\PersonaSkinPiece;
@@ -543,13 +544,13 @@ class NetworkBinaryStream extends BinaryStream{
 			$type = $this->getUnsignedVarInt();
 			$value = null;
 			switch($type){
-				case 1:
+				case GameRuleType::BOOL:
 					$value = $this->getBool();
 					break;
-				case 2:
+				case GameRuleType::INT:
 					$value = $this->getUnsignedVarInt();
 					break;
-				case 3:
+				case GameRuleType::FLOAT:
 					$value = $this->getLFloat();
 					break;
 				default:
@@ -575,13 +576,13 @@ class NetworkBinaryStream extends BinaryStream{
 			$this->putString($name);
 			$this->putUnsignedVarInt($rule[0]);
 			switch($rule[0]){
-				case 1:
+				case GameRuleType::BOOL:
 					$this->putBool($rule[1]);
 					break;
-				case 2:
+				case GameRuleType::INT:
 					$this->putUnsignedVarInt($rule[1]);
 					break;
-				case 3:
+				case GameRuleType::FLOAT:
 					$this->putLFloat($rule[1]);
 					break;
 				default: