diff --git a/index.php b/index.php
index 8f6bb5d..289855e 100644
--- a/index.php
+++ b/index.php
@@ -192,6 +192,7 @@ $invalid_uas = array(
 	"SemrushBot",
 	"BingPreview",
 	"facebookexternalhit",
+	"hetrix.tools",
 );
 foreach ($invalid_uas as $ua){
 	if(stripos($_SERVER['HTTP_USER_AGENT'], $ua) !== FALSE){