diff --git a/.php-cs-fixer.dist.php b/.php-cs-fixer.dist.php
index a563234771..1689c1f84e 100644
--- a/.php-cs-fixer.dist.php
+++ b/.php-cs-fixer.dist.php
@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 $finder = PhpCsFixer\Finder::create()
 	->in(__DIR__)
+	->notPath('addon')
 	->notPath('bin/dev')
 	->notPath('config')
 	->notPath('doc')
diff --git a/.php_cs.dist b/.php_cs.dist
index 897c6f1104..1d7056bdc1 100644
--- a/.php_cs.dist
+++ b/.php_cs.dist
@@ -6,6 +6,7 @@ require_once __DIR__ . '/bin/dev/php-cs-fixer/vendor/autoload.php';
 
 $finder = PhpCsFixer\Finder::create()
 	->in(__DIR__)
+	->notPath('addon')
 	->notPath('bin/dev')
 	->notPath('config')
 	->notPath('doc')