diff --git a/core/src/main/java/org/acegisecurity/providers/x509/X509AuthenticationToken.java b/core/src/main/java/org/acegisecurity/providers/x509/X509AuthenticationToken.java
index 7c3334efd7..335b427163 100644
--- a/core/src/main/java/org/acegisecurity/providers/x509/X509AuthenticationToken.java
+++ b/core/src/main/java/org/acegisecurity/providers/x509/X509AuthenticationToken.java
@@ -18,6 +18,7 @@ public class X509AuthenticationToken extends AbstractAuthenticationToken {
     private Object principal;
     private GrantedAuthority[] authorities;
     private boolean authenticated = false;
+    private Object details = null;
 
     //~ Constructors ===========================================================
 
@@ -34,6 +35,15 @@ public class X509AuthenticationToken extends AbstractAuthenticationToken {
 
     //~ Methods ================================================================
 
+    public Object getDetails() {
+        return details;
+    }
+
+    public void setDetails(Object details) {
+        this.details = details;
+    }
+
+
     public void setAuthenticated(boolean isAuthenticated) {
         this.authenticated = isAuthenticated;
     }