diff --git a/lib/private/User/Session.php b/lib/private/User/Session.php
index f9ad1f72ab85d..203d755d0ab1f 100644
--- a/lib/private/User/Session.php
+++ b/lib/private/User/Session.php
@@ -371,6 +371,7 @@ public function completeLogin(IUser $user, array $loginDetails, $regenerateSessi
 
 		if ($regenerateSessionId) {
 			$this->session->regenerateId();
+			$this->session->remove(Auth::DAV_AUTHENTICATED);
 		}
 
 		$this->setUser($user);