diff --git a/ecs.php b/ecs.php
index bf9046f..410eea1 100644
--- a/ecs.php
+++ b/ecs.php
@@ -20,6 +20,7 @@
     $parameters->set(
         Option::PATHS,
         [
+            __DIR__ . '/bin',
             __DIR__ . '/config',
             __DIR__ . '/fixed',
             __DIR__ . '/src',
diff --git a/rector.php b/rector.php
index 0f17c10..76d05b8 100644
--- a/rector.php
+++ b/rector.php
@@ -35,6 +35,7 @@
     $parameters->set(
         Option::PATHS,
         [
+            __DIR__ . '/bin',
             __DIR__ . '/config',
             __DIR__ . '/fixed',
             __DIR__ . '/src',
diff --git a/src/PHPCodeSnifferRuleSetGenerator.php b/src/PHPCodeSnifferRuleSetGenerator.php
index 229f71b..3af3e3c 100644
--- a/src/PHPCodeSnifferRuleSetGenerator.php
+++ b/src/PHPCodeSnifferRuleSetGenerator.php
@@ -30,11 +30,11 @@ final class PHPCodeSnifferRuleSetGenerator
     /**
      * @var \Zing\CodingStandard\Printers\RuleSetPrinter
      */
-    private $printer;
+    private $ruleSetPrinter;
 
     public function __construct(RuleSetPrinter $printer)
     {
-        $this->printer = $printer;
+        $this->ruleSetPrinter = $printer;
     }
 
     public function generate(): void
@@ -50,7 +50,7 @@ public function generate(): void
 
             file_put_contents(
                 sprintf(__DIR__ . '/../config/set/php_codesniffer/%s', self::MAP[$setDefinition->getRelativePath()]),
-                $this->printer->print($this->formatRulesToServices($ruleset))
+                $this->ruleSetPrinter->print($this->formatRulesToServices($ruleset))
             );
         }
     }
diff --git a/src/PhpCsFixerRuleSetGenerator.php b/src/PhpCsFixerRuleSetGenerator.php
index 5d88941..2be6167 100644
--- a/src/PhpCsFixerRuleSetGenerator.php
+++ b/src/PhpCsFixerRuleSetGenerator.php
@@ -60,11 +60,11 @@ final class PhpCsFixerRuleSetGenerator
     /**
      * @var \Zing\CodingStandard\Printers\RuleSetPrinter
      */
-    private $printer;
+    private $ruleSetPrinter;
 
     public function __construct(RuleSetPrinter $printer)
     {
-        $this->printer = $printer;
+        $this->ruleSetPrinter = $printer;
     }
 
     public function generate(): void
@@ -74,7 +74,7 @@ public function generate(): void
             $fixerFactory->registerBuiltInFixers();
             file_put_contents(
                 sprintf(__DIR__ . '/../config/set/php-cs-fixer/%s', self::MAP[$setDefinition->getName()]),
-                $this->printer->print($this->formatRulesToServices($fixerFactory, $setDefinition))
+                $this->ruleSetPrinter->print($this->formatRulesToServices($fixerFactory, $setDefinition))
             );
         }
     }
diff --git a/src/Printers/PHPCodeSnifferRuleSetPrinter.php b/src/Printers/PHPCodeSnifferRuleSetPrinter.php
index 03509c3..b01dfea 100644
--- a/src/Printers/PHPCodeSnifferRuleSetPrinter.php
+++ b/src/Printers/PHPCodeSnifferRuleSetPrinter.php
@@ -6,7 +6,7 @@
 
 use PhpParser\Node\Expr;
 
-class PHPCodeSnifferRuleSetPrinter extends RuleSetPrinter
+final class PHPCodeSnifferRuleSetPrinter extends RuleSetPrinter
 {
     public function configureService(Expr $expr, array $configuration): Expr
     {
diff --git a/src/Printers/PhpCsFixerRuleSetPrinter.php b/src/Printers/PhpCsFixerRuleSetPrinter.php
index 7bc3f4b..30337e0 100644
--- a/src/Printers/PhpCsFixerRuleSetPrinter.php
+++ b/src/Printers/PhpCsFixerRuleSetPrinter.php
@@ -6,7 +6,7 @@
 
 use PhpParser\Node\Expr;
 
-class PhpCsFixerRuleSetPrinter extends RuleSetPrinter
+final class PhpCsFixerRuleSetPrinter extends RuleSetPrinter
 {
     public function configureService(Expr $expr, array $configuration): Expr
     {