diff --git a/src/WhoopsRunner.php b/src/WhoopsRunner.php
index e1859bf..aade43f 100644
--- a/src/WhoopsRunner.php
+++ b/src/WhoopsRunner.php
@@ -17,6 +17,10 @@ public static function handle($error, ServerRequestInterface $request)
         $method = Run::EXCEPTION_HANDLER;
 
         $whoops = self::getWhoopsInstance($request);
+
+        // Output is managed by the middleware pipeline
+        $whoops->allowQuit(false);
+        
         ob_start();
         $whoops->$method($error);
         $response = ob_get_clean();