diff --git a/lib/Doctrine/ORM/Proxy/ProxyFactory.php b/lib/Doctrine/ORM/Proxy/ProxyFactory.php
index fd2178da7..b6e174351 100644
--- a/lib/Doctrine/ORM/Proxy/ProxyFactory.php
+++ b/lib/Doctrine/ORM/Proxy/ProxyFactory.php
@@ -91,7 +91,9 @@ class ProxyFactory extends AbstractProxyFactory
     protected function skipClass(ClassMetadata $metadata)
     {
         /* @var $metadata \Doctrine\ORM\Mapping\ClassMetadataInfo */
-        return $metadata->isMappedSuperclass || $metadata->isEmbeddedClass || $metadata->getReflectionClass()->isAbstract();
+        return $metadata->isMappedSuperclass
+            || $metadata->isEmbeddedClass
+            || $metadata->getReflectionClass()->isAbstract();
     }
 
     /**
diff --git a/tests/Doctrine/Tests/ORM/Proxy/ProxyFactoryTest.php b/tests/Doctrine/Tests/ORM/Proxy/ProxyFactoryTest.php
index b738f9dff..6b0725d2f 100644
--- a/tests/Doctrine/Tests/ORM/Proxy/ProxyFactoryTest.php
+++ b/tests/Doctrine/Tests/ORM/Proxy/ProxyFactoryTest.php
@@ -71,15 +71,16 @@ class ProxyFactoryTest extends \Doctrine\Tests\OrmTestCase
         $proxy->getDescription();
     }
 
-
     public function testSkipMappedSuperClassesOnGeneration(): void
     {
         $cm = new ClassMetadata(\stdClass::class);
         $cm->isMappedSuperclass = true;
 
-        $num = $this->proxyFactory->generateProxyClasses([$cm]);
-
-        self::assertSame(0, $num, 'No proxies generated.');
+        self::assertSame(
+            0,
+            $this->proxyFactory->generateProxyClasses([$cm]),
+            'No proxies generated.'
+        );
     }
 
     /**
@@ -90,9 +91,11 @@ class ProxyFactoryTest extends \Doctrine\Tests\OrmTestCase
         $cm = new ClassMetadata(\stdClass::class);
         $cm->isEmbeddedClass = true;
 
-        $num = $this->proxyFactory->generateProxyClasses([$cm]);
-
-        self::assertSame(0, $num, 'No proxies generated.');
+        self::assertSame(
+            0,
+            $this->proxyFactory->generateProxyClasses([$cm]),
+            'No proxies generated.'
+        );
     }
 
     /**