diff --git a/src/Generator.php b/src/Generator.php
index ab804aaf..55d3e1de 100644
--- a/src/Generator.php
+++ b/src/Generator.php
@@ -444,7 +444,7 @@ public static function scan(iterable $sources, array $options = []): ?OA\OpenApi
             ];
 
         $processorPipeline = $config['processor'] ??
-            $config['processors'] ? new Pipeline($config['processors']) : null;
+            ($config['processors'] ? new Pipeline($config['processors']) : null);
 
         return (new Generator($config['logger']))
             ->setVersion($config['version'])
diff --git a/tests/GeneratorTest.php b/tests/GeneratorTest.php
index 09d1b97f..9c70a3b0 100644
--- a/tests/GeneratorTest.php
+++ b/tests/GeneratorTest.php
@@ -26,7 +26,7 @@ public static function sourcesProvider(): iterable
     /**
      * @dataProvider sourcesProvider
      */
-    public function testScan(string $sourceDir, iterable $sources): void
+    public function testGenerate(string $sourceDir, iterable $sources): void
     {
         $openapi = (new Generator())
             ->setAnalyser($this->getAnalyzer())
@@ -35,6 +35,20 @@ public function testScan(string $sourceDir, iterable $sources): void
         $this->assertSpecEquals(file_get_contents(sprintf('%s/%s.yaml', $sourceDir, basename($sourceDir))), $openapi);
     }
 
+    /**
+     * @dataProvider sourcesProvider
+     */
+    public function testScan(string $sourceDir, iterable $sources): void
+    {
+        $analyzer = $this->getAnalyzer();
+        $processor = (new Generator())
+            ->getProcessorPipeline();
+
+        $openapi = Generator::scan($sources, ['processor' => $processor, 'analyser' => $analyzer]);
+
+        $this->assertSpecEquals(file_get_contents(sprintf('%s/%s.yaml', $sourceDir, basename($sourceDir))), $openapi);
+    }
+
     public function testScanInvalidSource(): void
     {
         $this->assertOpenApiLogEntryContains('Skipping invalid source: /tmp/__swagger_php_does_not_exist__');