diff --git a/composer.json b/composer.json
index 174f5cf52..fd32dd01a 100644
--- a/composer.json
+++ b/composer.json
@@ -54,7 +54,8 @@
    },
    "autoload-dev": {
       "psr-4": {
-         "pocketmine\\": "tests/phpunit/"
+         "pocketmine\\": "tests/phpunit/",
+         "pocketmine\\phpstan\\rules\\": "tests/phpstan/rules"
       }
    },
    "repositories": [
diff --git a/phpstan.neon.dist b/phpstan.neon.dist
index 76ae2d5b0..a5e8645a5 100644
--- a/phpstan.neon.dist
+++ b/phpstan.neon.dist
@@ -13,6 +13,7 @@ parameters:
 		- build/server-phar.php
 	paths:
 		- src
+		- tests/phpstan/rules
 		- build/server-phar.php
 	dynamicConstantNames:
 		- pocketmine\IS_DEVELOPMENT_BUILD
diff --git a/tests/phpstan/rules/DisallowEnumComparisonRule.php b/tests/phpstan/rules/DisallowEnumComparisonRule.php
new file mode 100644
index 000000000..0e62fc96b
--- /dev/null
+++ b/tests/phpstan/rules/DisallowEnumComparisonRule.php
@@ -0,0 +1,67 @@
+<?php
+
+/*
+ *
+ *  ____            _        _   __  __ _                  __  __ ____
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ *
+ *
+*/
+
+declare(strict_types=1);
+
+namespace pocketmine\phpstan\rules;
+
+use PhpParser\Node;
+use PhpParser\Node\Expr\BinaryOp;
+use PhpParser\Node\Expr\BinaryOp\Identical;
+use PhpParser\Node\Expr\BinaryOp\NotIdentical;
+use PHPStan\Analyser\Scope;
+use PHPStan\Rules\Rule;
+use PHPStan\Rules\RuleErrorBuilder;
+use PHPStan\Type\ObjectType;
+use PHPStan\Type\VerbosityLevel;
+use pocketmine\utils\EnumTrait;
+use function sprintf;
+
+class DisallowEnumComparisonRule implements Rule{
+
+	public function getNodeType() : string{
+		return BinaryOp::class;
+	}
+
+	public function processNode(Node $node, Scope $scope) : array{
+		if(!($node instanceof Identical) and !($node instanceof NotIdentical)){
+			return [];
+		}
+		
+		$result = [];
+		foreach([$node->left, $node->right] as $n){
+			$type = $scope->getType($n);
+			if(!($type instanceof ObjectType)){
+				continue;
+			}
+			$class = $type->getClassReflection();
+			if($class === null or !$class->hasTraitUse(EnumTrait::class)){
+				continue;
+			}
+			$result[] = RuleErrorBuilder::message(sprintf(
+				'Strict comparison using %s involving enum %s is not reliable.',
+				$node instanceof Identical ? '===' : '!==',
+				$type->describe(VerbosityLevel::value())
+			))->build();
+		}
+		return $result;
+	}
+}
\ No newline at end of file