diff --git a/README.md b/README.md
index 61eac9f..4712f90 100755
--- a/README.md
+++ b/README.md
@@ -565,7 +565,7 @@ algorithms, knowledgebase and AI technology.
 * [Holehe](https://github.com/megadose/holehe)
 * [Have I Been Pwned](https://haveibeenpwned.com) - Search across multiple data breaches to see if your email address has been compromised.
 * [Hunter](https://hunter.io) - Hunter lets you find email addresses in seconds and connect with the people that matter for your business.
-* [MailTester](http://mailtester.com/testmail.php)
+* [MailTester](http://mailtester.com)
 * [Peepmail](http://www.samy.pl/peepmail)
 * [Pipl](https://pipl.com)
 * [Reacher](https://reacher.email) - Real-time email verification API, written in Rust, 100% open-source.