diff --git a/index.php b/index.php
index fd91cbe..d348a38 100644
--- a/index.php
+++ b/index.php
@@ -17,6 +17,7 @@ define("CORS_DOMAINS", false); // allow origin domains
 define("PHP_FIREWALL_REQUEST_URI", false); // only for sponsors
 define("PHP_FIREWALL_ACTIVATION", false); // only for sponsors (xss, csrf, sql injection, ...)
 define("PHP_DDOS_PROTECTION", false); // only for sponsors (ddos protection, warn to email, ...)
+define("PHP_WEBSHELL_DETECTION", false); //only for sponsors (detect webshell malware)
 
 // check if current status is development
 if(APP_DEVELOPMENT == true) {