diff --git a/README.md b/README.md
index 80c97018cc3bb48b76bb5864b7a2fdd3513dc21e..cbd6cb899db4a70cea7d32060615c4ce6ce4ea67 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,7 @@ SimpleSAMLphp
 =============
 ![Build Status](https://github.com/simplesamlphp/simplesamlphp/workflows/CI/badge.svg?branch=master)
 [![Coverage Status](https://codecov.io/gh/simplesamlphp/simplesamlphp/branch/master/graph/badge.svg)](https://codecov.io/gh/simplesamlphp/simplesamlphp)
+[![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/simplesamlphp/simplesamlphp/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/simplesamlphp/?branch=master)
 [![BrowserStack Status](https://automate.browserstack.com/badge.svg?badge_key=LzlCL29sZEVDRXJpdGtxZUdITFA3YjYyUFBBYkVVZDVDcG1YZXRaN2pvTT0tLVhCNzkwVUNGVFVjVFVicUg0R1BNR0E9PQ==--f9efb6f330bd98dd6e3c7b816ac2f0982275a872)](https://automate.browserstack.com/public-build/LzlCL29sZEVDRXJpdGtxZUdITFA3YjYyUFBBYkVVZDVDcG1YZXRaN2pvTT0tLVhCNzkwVUNGVFVjVFVicUg0R1BNR0E9PQ==--f9efb6f330bd98dd6e3c7b816ac2f0982275a872)