diff --git a/CASAuth.php b/CASAuth.php
index 6cac4ac..03a1e0b 100644
--- a/CASAuth.php
+++ b/CASAuth.php
@@ -156,8 +156,7 @@ function casLogin($user) {
                         if ($returnto) {
                           $target = Title::newFromText($returnto);
                           if ($target) {
-                            //action=purge is used to purge the cache
-                            $wgOut->redirect($target->getFullUrl('action=purge'));
+                            $wgOut->redirect($target->getFullUrl());
                           }
                         }
                 }
@@ -281,7 +280,8 @@ function casSetup() {
         global $casIsSetUp;
 
         // Make the session persistent so that phpCAS doesn't change the session id
-        wfSetupSession();
+        $session = MediaWiki\Session\SessionManager::getGlobalSession();
+        $session->persist();
 
         require_once($CASAuth["phpCAS"]."/CAS.php");
         phpCAS::client($CASAuth["Version"], $CASAuth["Server"], $CASAuth["Port"], $CASAuth["Url"], false);
diff --git a/CASAuthSettings.php.template b/CASAuthSettings.php.template
index d955a1a..fd6465e 100644
--- a/CASAuthSettings.php.template
+++ b/CASAuthSettings.php.template
@@ -9,6 +9,8 @@
 # information.
 #
 # Default: $CASAuth["phpCAS"]="$IP/extensions/CASAuth/CAS";
+# via composer: $CASAuth["phpCAS"]="$IP/vendor/jasig/phpcas";
+
 $CASAuth["phpCAS"]="$IP/extensions/CASAuth/CAS";
 
 # Location of the CAS authentication server.  You must set this to the location