diff --git a/src/RobotLoader/RobotLoader.php b/src/RobotLoader/RobotLoader.php
index 2bbbe06..9fa4257 100644
--- a/src/RobotLoader/RobotLoader.php
+++ b/src/RobotLoader/RobotLoader.php
@@ -78,7 +78,7 @@ public function __destruct()
 	 */
 	public function register(bool $prepend = false): static
 	{
-		spl_autoload_register([$this, 'tryLoad'], true, $prepend);
+		spl_autoload_register([$this, 'tryLoad'], prepend: $prepend);
 		return $this;
 	}
 
@@ -475,7 +475,7 @@ private function saveCache($lock = null): void
 		}
 
 		if (function_exists('opcache_invalidate')) {
-			@opcache_invalidate($file, true); // @ can be restricted
+			@opcache_invalidate($file, force: true); // @ can be restricted
 		}
 	}
 
diff --git a/tests/Loaders/RobotLoader.phar.phpt b/tests/Loaders/RobotLoader.phar.phpt
index 4d5b18e..804a46d 100644
--- a/tests/Loaders/RobotLoader.phar.phpt
+++ b/tests/Loaders/RobotLoader.phar.phpt
@@ -45,14 +45,18 @@ Assert::true(class_exists('D'));
 $loader = new RobotLoader;
 $loader->setTempDirectory(getTempDir());
 $loader->addDirectory("phar://$pharFile/non-dir");
-Assert::exception(function () use ($loader) {
-	$loader->rebuild();
-}, Nette\IOException::class, "File or directory 'phar://$pharFile/non-dir' not found.");
+Assert::exception(
+	fn() => $loader->rebuild(),
+	Nette\IOException::class,
+	"File or directory 'phar://$pharFile/non-dir' not found.",
+);
 
 
 $loader = new RobotLoader;
 $loader->setTempDirectory(getTempDir());
 $loader->addDirectory("phar://$pharFile/non-file.php");
-Assert::exception(function () use ($loader) {
-	$loader->rebuild();
-}, Nette\IOException::class, "File or directory 'phar://$pharFile/non-file.php' not found.");
+Assert::exception(
+	fn() => $loader->rebuild(),
+	Nette\IOException::class,
+	"File or directory 'phar://$pharFile/non-file.php' not found.",
+);