diff --git a/wp-admin/plugins.php b/wp-admin/plugins.php
index 75803a979d..a2cc31d413 100644
--- a/wp-admin/plugins.php
+++ b/wp-admin/plugins.php
@@ -149,9 +149,9 @@ if ( !empty($action) ) {
 
 			if ( ! WP_DEBUG ) {
 				if ( defined('E_RECOVERABLE_ERROR') )
-					error_reporting(E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING | E_RECOVERABLE_ERROR);
+					error_reporting(E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING | E_RECOVERABLE_ERROR);
 				else
-					error_reporting(E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING);
+					error_reporting(E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING);
 			}
 
 			@ini_set('display_errors', true); //Ensure that Fatal errors are displayed.
diff --git a/wp-admin/update.php b/wp-admin/update.php
index 9a35258ce5..1a890531e9 100644
--- a/wp-admin/update.php
+++ b/wp-admin/update.php
@@ -54,9 +54,9 @@ if ( isset($_GET['action']) ) {
 			echo '<p>' . __('Plugin failed to reactivate due to a fatal error.') . '</p>';
 
 			if ( defined('E_RECOVERABLE_ERROR') )
-				error_reporting(E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING | E_RECOVERABLE_ERROR);
+				error_reporting(E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING | E_RECOVERABLE_ERROR);
 			else
-				error_reporting(E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING);
+				error_reporting(E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING);
 
 			@ini_set('display_errors', true); //Ensure that Fatal errors are displayed.
 			include(WP_PLUGIN_DIR . '/' . $plugin);
diff --git a/wp-includes/load.php b/wp-includes/load.php
index 68cace9490..46643994ea 100644
--- a/wp-includes/load.php
+++ b/wp-includes/load.php
@@ -262,9 +262,9 @@ function wp_debug_mode() {
 		}
 	} else {
 		if ( defined( 'E_RECOVERABLE_ERROR' ) )
-			error_reporting( E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING | E_RECOVERABLE_ERROR );
+			error_reporting( E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING | E_RECOVERABLE_ERROR );
 		else
-			error_reporting( E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING );
+			error_reporting( E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING );
 	}
 }
 
diff --git a/wp-load.php b/wp-load.php
index aee3b39f59..7f396406e6 100644
--- a/wp-load.php
+++ b/wp-load.php
@@ -20,9 +20,9 @@
 define( 'ABSPATH', dirname(__FILE__) . '/' );
 
 if ( defined('E_RECOVERABLE_ERROR') )
-	error_reporting(E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING | E_RECOVERABLE_ERROR);
+	error_reporting(E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING | E_RECOVERABLE_ERROR);
 else
-	error_reporting(E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING);
+	error_reporting(E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING);
 
 if ( file_exists( ABSPATH . 'wp-config.php') ) {