diff --git a/app/Config/Boot/development.php b/app/Config/Boot/development.php
index aa8099a46501..a868447a8e37 100644
--- a/app/Config/Boot/development.php
+++ b/app/Config/Boot/development.php
@@ -10,7 +10,7 @@
  |
  | If you set 'display_errors' to '1', CI4's detailed error report will show.
  */
-error_reporting(-1);
+error_reporting(E_ALL);
 ini_set('display_errors', '1');
 
 /*
diff --git a/app/Config/Boot/testing.php b/app/Config/Boot/testing.php
index e84670e972f6..40b6ca83cf3f 100644
--- a/app/Config/Boot/testing.php
+++ b/app/Config/Boot/testing.php
@@ -14,7 +14,7 @@
  | make sure they don't make it to production. And save us hours of
  | painful debugging.
  */
-error_reporting(-1);
+error_reporting(E_ALL);
 ini_set('display_errors', '1');
 
 /*
diff --git a/spark b/spark
index 2ea79d5ccdaf..9daa44034473 100755
--- a/spark
+++ b/spark
@@ -39,7 +39,7 @@ if (version_compare(PHP_VERSION, $minPhpVersion, '<')) {
 }
 
 // We want errors to be shown when using it from the CLI.
-error_reporting(-1);
+error_reporting(E_ALL);
 ini_set('display_errors', '1');
 
 /**