diff --git a/phpBB/includes/acp/acp_board.php b/phpBB/includes/acp/acp_board.php
index 5dd7673a79..d77fbca7c2 100644
--- a/phpBB/includes/acp/acp_board.php
+++ b/phpBB/includes/acp/acp_board.php
@@ -351,6 +351,7 @@ class acp_board
 					'vars'	=> array(
 						'legend1'				=> 'ACP_SERVER_SETTINGS',
 						'gzip_compress'			=> array('lang' => 'ENABLE_GZIP',		'validate' => 'bool',	'type' => 'radio:yes_no', 'explain' => true),
+						'use_system_cron'		=> array('lang' => 'USE_SYSTEM_CRON',		'validate' => 'bool',	'type' => 'radio:yes_no', 'explain' => true),
 
 						'legend2'				=> 'PATH_SETTINGS',
 						'smilies_path'			=> array('lang' => 'SMILIES_PATH',		'validate' => 'rpath',	'type' => 'text:20:255', 'explain' => true),
diff --git a/phpBB/language/en/acp/board.php b/phpBB/language/en/acp/board.php
index bdd5f0d2f3..fe023958a9 100644
--- a/phpBB/language/en/acp/board.php
+++ b/phpBB/language/en/acp/board.php
@@ -433,6 +433,8 @@ $lang = array_merge($lang, array(
 	'SMILIES_PATH_EXPLAIN'		=> 'Path under your phpBB root directory, e.g. <samp>images/smilies</samp>.',
 	'UPLOAD_ICONS_PATH'			=> 'Extension group icons storage path',
 	'UPLOAD_ICONS_PATH_EXPLAIN'	=> 'Path under your phpBB root directory, e.g. <samp>images/upload_icons</samp>.',
+	'USE_SYSTEM_CRON'		=> 'Run periodic tasks from system cron',
+	'USE_SYSTEM_CRON_EXPLAIN'		=> 'When off, phpBB will arrange for periodic tasks to be run automatically. When on, phpBB will not schedule any periodic tasks by itself; a system administrator must arrange for <code>cron.php</code> to be invoked by the system cron facility at regular intervals (e.g. every 5 minutes).',
 ));
 
 // Security Settings