diff --git a/flight/Engine.php b/flight/Engine.php
index 2d46349..8dbb6dc 100644
--- a/flight/Engine.php
+++ b/flight/Engine.php
@@ -743,9 +743,9 @@ class Engine
             ->status($code)
             ->header('Content-Type', 'application/json; charset=' . $charset)
             ->write($json);
-		if($this->response()->v2_output_buffering === true) {
-			$this->response()->send();
-		}
+        if ($this->response()->v2_output_buffering === true) {
+            $this->response()->send();
+        }
     }
 
     /**
diff --git a/tests/server/index.php b/tests/server/index.php
index 236ad31..80efa6a 100644
--- a/tests/server/index.php
+++ b/tests/server/index.php
@@ -23,9 +23,9 @@ Flight::group('', function () {
     // Test 1: Root route
     Flight::route('/', function () {
         echo '<span id="infotext">Route text:</span> Root route works!';
-		if(Flight::request()->query->redirected) {
-			echo '<br>Redirected from /redirect route successfully!';
-		}
+        if (Flight::request()->query->redirected) {
+            echo '<br>Redirected from /redirect route successfully!';
+        }
     });
     Flight::route('/querytestpath', function () {
         echo '<span id="infotext">Route text:</span> This ir query route<br>';
@@ -99,22 +99,21 @@ Flight::group('', function () {
         trigger_error('This is a successful error');
     });
 
-	// Test 10: Halt
-	Flight::route('/halt', function() {
-		Flight::halt(400, 'Halt worked successfully');
-	});
-
+    // Test 10: Halt
+    Flight::route('/halt', function () {
+        Flight::halt(400, 'Halt worked successfully');
+    });
 }, [ new LayoutMiddleware() ]);
 
 // Test 9: JSON output
-Flight::route('/json', function() {
-	Flight::json(['message' => 'JSON renders successfully!']);
+Flight::route('/json', function () {
+    Flight::json(['message' => 'JSON renders successfully!']);
 });
 
 
 // Test 11: Redirect
-Flight::route('/redirect', function() {
-	Flight::redirect('/?redirected=1');
+Flight::route('/redirect', function () {
+    Flight::redirect('/?redirected=1');
 });
 
 Flight::map('error', function (Throwable $e) {