diff --git a/mailpoet/lib/Logging/PluginVersionProcessor.php b/mailpoet/lib/Logging/PluginVersionProcessor.php
index b4c0832886..a9d594de9f 100644
--- a/mailpoet/lib/Logging/PluginVersionProcessor.php
+++ b/mailpoet/lib/Logging/PluginVersionProcessor.php
@@ -1,10 +1,11 @@
-<?php declare (strict_types=1);
+<?php declare (strict_types = 1);
 
 namespace MailPoet\Logging;
 
 use MailPoet\Config\Env;
+use MailPoetVendor\Monolog\Processor\ProcessorInterface;
 
-class PluginVersionProcessor {
+class PluginVersionProcessor implements ProcessorInterface {
   public function __invoke(array $record): array {
     $record['extra']['free_plugin_version'] = Env::$version;
     $record['extra']['premium_plugin_version'] = defined('MAILPOET_PREMIUM_VERSION') ? MAILPOET_PREMIUM_VERSION : 'premium not installed';
diff --git a/mailpoet/tasks/phpstan/phpstan.neon b/mailpoet/tasks/phpstan/phpstan.neon
index 705b2c1bf0..57830da3d1 100644
--- a/mailpoet/tasks/phpstan/phpstan.neon
+++ b/mailpoet/tasks/phpstan/phpstan.neon
@@ -78,6 +78,12 @@ parameters:
       message: '/^Call to an undefined method Codeception\\TestInterface::getName()./'
       count: 1
       path: ../../tests/_support/CheckSkippedTestsExtension.php
+    - message: '/Parameter \$record of method MailPoet\\Logging\\PluginVersionProcessor::__invoke\(\) has invalid type MailPoetVendor\\Monolog\\Processor\\Record/'
+      count: 1
+      path: ../../lib/Logging/PluginVersionProcessor.php
+    - message: '/Return type \(array\) of method MailPoet\\Logging\\PluginVersionProcessor::__invoke\(\) should be compatible with return type \(MailPoetVendor\\Monolog\\Processor\\Record\) of method MailPoetVendor\\Monolog\\Processor\\ProcessorInterface::__invoke\(\)/'
+      count: 1
+      path: ../../lib/Logging/PluginVersionProcessor.php
   reportUnmatchedIgnoredErrors: true
   dynamicConstantNames:
     - MAILPOET_PREMIUM_INITIALIZED