diff --git a/jetty-security/src/main/java/org/eclipse/jetty/security/authentication/SslClientCertAuthenticator.java b/jetty-security/src/main/java/org/eclipse/jetty/security/authentication/SslClientCertAuthenticator.java
index 28df3cda6b1..dc5c6e74c4c 100644
--- a/jetty-security/src/main/java/org/eclipse/jetty/security/authentication/SslClientCertAuthenticator.java
+++ b/jetty-security/src/main/java/org/eclipse/jetty/security/authentication/SslClientCertAuthenticator.java
@@ -70,7 +70,7 @@ public class SslClientCertAuthenticator
 
         HttpServletRequest request = (HttpServletRequest)req;
         HttpServletResponse response = (HttpServletResponse)res;
-        X509Certificate[] certs = (X509Certificate[])request.getAttribute("javax.servlet.request.X509Certificate");
+        X509Certificate[] certs = (X509Certificate[])request.getAttribute("jakarta.servlet.request.X509Certificate");
 
         try
         {