diff --git a/packages/Config/RectorConfig.php b/packages/Config/RectorConfig.php
index faf64f27423..d9d4419664e 100644
--- a/packages/Config/RectorConfig.php
+++ b/packages/Config/RectorConfig.php
@@ -138,12 +138,7 @@ public function importShortClasses(bool $importShortClasses = true): void
     public function phpstanConfig(string $filePath): void
     {
         Assert::fileExists($filePath);
-
-        $paths = SimpleParameterProvider::provideArrayParameter(Option::PHPSTAN_FOR_RECTOR_PATHS);
-
-        $paths[] = $filePath;
-
-        SimpleParameterProvider::setParameter(Option::PHPSTAN_FOR_RECTOR_PATHS, $paths);
+        SimpleParameterProvider::addParameter(Option::PHPSTAN_FOR_RECTOR_PATHS, [$filePath]);
     }
 
     /**
@@ -153,9 +148,9 @@ public function phpstanConfig(string $filePath): void
      */
     public function phpstanConfigs(array $filePaths): void
     {
-        foreach ($filePaths as $filePath) {
-            $this->phpstanConfig($filePath);
-        }
+        Assert::allString($filePaths);
+        Assert::allFileExists($filePaths);
+        SimpleParameterProvider::addParameter(Option::PHPSTAN_FOR_RECTOR_PATHS, $filePaths);
     }
 
     /**