diff --git a/src/Control/SAMLController.php b/src/Control/SAMLController.php
index 7146340..77153c2 100644
--- a/src/Control/SAMLController.php
+++ b/src/Control/SAMLController.php
@@ -166,6 +166,10 @@ public function acs()
         $this->extend('updateAttributes', $attributes);
         $this->extend('updateGuid', $guid);
 
+        $request = $this->getRequest();
+        $this->extend('updateRequest', $request);
+        $this->setRequest($request);
+
         $fieldToClaimMap = array_flip(Member::config()->claims_field_mappings);
 
         // Write a rudimentary member with basic fields on every login, so that we at least have something