diff --git a/lib/private/user/manager.php b/lib/private/user/manager.php
index 09400d8365..6a57aa3f7a 100644
--- a/lib/private/user/manager.php
+++ b/lib/private/user/manager.php
@@ -182,7 +182,7 @@ class Manager extends PublicEmitter implements IUserManager {
 			}
 		}
 
-		\OC::$server->getLogger()->warning('Login failed: \''. $loginname .'\' (Remote IP: \''. \OC::$server->getRequest()->getRemoteAddress(). ')', ['app' => 'core']);
+		\OC::$server->getLogger()->warning('Login failed: \''. $loginname .'\' (Remote IP: \''. \OC::$server->getRequest()->getRemoteAddress(). '\')', ['app' => 'core']);
 		return false;
 	}