diff --git a/src/Illuminate/Http/Middleware/Cache.php b/src/Illuminate/Http/Middleware/Cache.php
index 42e65342286c..e9beaf798329 100644
--- a/src/Illuminate/Http/Middleware/Cache.php
+++ b/src/Illuminate/Http/Middleware/Cache.php
@@ -20,15 +20,15 @@ class Cache
     public function handle($request, Closure $next, int $maxAge = null, int $sharedMaxAge = null, bool $public = null, bool $etag = false)
     {
         /**
-         * @var  $response  \Symfony\Component\HttpFoundation\Response
+         * @var   \Symfony\Component\HttpFoundation\Response
          */
         $response = $next($request);
 
-        if (!$request->isMethodCacheable() || !$response->getContent()) {
+        if (! $request->isMethodCacheable() || ! $response->getContent()) {
             return $response;
         }
 
-        if (!$response->getContent()) {
+        if (! $response->getContent()) {
             return;
         }
         if ($etag) {
diff --git a/tests/Http/Middleware/CacheTest.php b/tests/Http/Middleware/CacheTest.php
index 9c39645f747f..eb5268d75aac 100644
--- a/tests/Http/Middleware/CacheTest.php
+++ b/tests/Http/Middleware/CacheTest.php
@@ -2,10 +2,10 @@
 
 namespace Illuminate\Tests\Http\Middleware;
 
-use Illuminate\Http\Middleware\Cache;
 use Illuminate\Http\Request;
 use Illuminate\Http\Response;
 use PHPUnit\Framework\TestCase;
+use Illuminate\Http\Middleware\Cache;
 
 class CacheTest extends TestCase
 {