diff --git a/install.php b/install.php
index c5bef0c..df8f4bd 100644
--- a/install.php
+++ b/install.php
@@ -6,6 +6,8 @@ define("MINIMUM_PHP_VERSION", "5.4.0");
 define("POLICY_URL", "policy.php"); //Default policy URL
 define("CUSTOM_LOGO_URL","");
 define("COPYRIGHT_TEXT","");
+define('SUBSCRIBE_EMAIL', false);
+define('SUBSCRIBE_TELEGRAM', false);
 require_once("classes/locale-negotiator.php");
 
 $negotiator = new LocaleNegotiator("en_GB");