diff --git a/layers/bootstrap.php b/layers/bootstrap.php
index 383fc187..cca63f2d 100644
--- a/layers/bootstrap.php
+++ b/layers/bootstrap.php
@@ -1,5 +1,11 @@
 <?php declare(strict_types=1);
 
+// Force errors to be logged to stdout so that they end up in CloudWatch.
+// In the `function` runtime this is already `1`, but in the `fpm` runtime it is `0` by default.
+// Here we are forcing it to `1` in the bootstrap process, it will not impact the application code
+// as it runs in different processes (FPM worker) and those will have `display_errors=0`.
+ini_set('display_errors', '1');
+
 $appRoot = getenv('LAMBDA_TASK_ROOT');
 
 $autoloadPath = $_SERVER['BREF_AUTOLOAD_PATH'] ?? null;