diff --git a/core/Controller/LoginController.php b/core/Controller/LoginController.php
index c53637aaedf..e19794f2cd6 100644
--- a/core/Controller/LoginController.php
+++ b/core/Controller/LoginController.php
@@ -215,7 +215,7 @@ class LoginController extends Controller {
 			return $this->generateRedirect($redirect_url);
 		}
 
-		if ($this->manager instanceof PublicEmitter) {
+		if ($this->userManager instanceof PublicEmitter) {
 			$this->userManager->emit('\OC\User', 'preLogin', array($user, $password));
 		}