diff --git a/Command/AnnotationLintCommand.php b/Command/AnnotationLintCommand.php
index 7ad7dde..3a2a77b 100644
--- a/Command/AnnotationLintCommand.php
+++ b/Command/AnnotationLintCommand.php
@@ -46,7 +46,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
         if (empty($errors)) {
             $style->success('Everything is fine');
 
-            return;
+            return 0;
         }
 
         $style->error(sprintf('Found %d issues.', count($errors)));
diff --git a/phpstan.neon.dist b/phpstan.neon.dist
new file mode 100644
index 0000000..ca0f64b
--- /dev/null
+++ b/phpstan.neon.dist
@@ -0,0 +1,11 @@
+parameters:
+	level: 3
+	paths:
+		- %currentWorkingDirectory%
+	excludes_analyse:
+		- ./vendor/
+		- ./Tests/
+	ignoreErrors:
+		-
+			path: %currentWorkingDirectory%/DependencyInjection/Configuration.php
+			message: '#Call to an undefined method Symfony\\Component\\Config\\Definition\\Builder\\NodeDefinition::children()#'
\ No newline at end of file