diff --git a/core/js/config.php b/core/js/config.php
index 139c3b6d48..edb9ccfd0f 100644
--- a/core/js/config.php
+++ b/core/js/config.php
@@ -10,8 +10,8 @@
 header("Content-type: text/javascript");
 
 // Disallow caching
-header("Cache-Control: no-cache, must-revalidate"); 
-header("Expires: Sat, 26 Jul 1997 05:00:00 GMT"); 
+header("Cache-Control: no-cache, must-revalidate");
+header("Expires: Sat, 26 Jul 1997 05:00:00 GMT");
 
 // Enable l10n support
 $l = OC_L10N::get('core');
@@ -62,7 +62,10 @@ $array = array(
 			'session_keepalive' => \OCP\Config::getSystemValue('session_keepalive', true)
 		)
 	)
-	);
+);
+
+// Allow hooks to modify the output values
+OC_Hook::emit('\OCP\Config', 'js', array('array' => &$array));
 
 // Echo it
 foreach ($array as  $setting => $value) {