diff --git a/src/Monolog/ErrorHandler.php b/src/Monolog/ErrorHandler.php
index 805f2dfd9..717831eea 100644
--- a/src/Monolog/ErrorHandler.php
+++ b/src/Monolog/ErrorHandler.php
@@ -194,8 +194,8 @@ private function handleException(\Throwable $e): never
             ($this->previousExceptionHandler)($e);
         }
 
-        if (!headers_sent() && \in_array(strtolower((string) \ini_get('display_errors')), ['0', '', 'false', 'off', 'none', 'no'], true)) {
-            http_response_code(500);
+        if (\in_array(strtolower((string) \ini_get('display_errors')), ['0', '', 'false', 'off', 'none', 'no'], true)) {
+            @http_response_code(500);
         }
 
         exit(255);