diff --git a/classes/api.php b/classes/api.php
index a9216c58b..6bcb92152 100644
--- a/classes/api.php
+++ b/classes/api.php
@@ -77,6 +77,7 @@ class API extends Handler {
 				$this->wrap(self::STATUS_OK,	array("session_id" => session_id(),
 					"api_level" => self::API_LEVEL));
 			} else {                                                         // else we are not logged in
+				user_error("Failed login attempt for $login from {$_SERVER['REMOTE_ADDR']}", E_USER_WARNING);
 				$this->wrap(self::STATUS_ERR, array("error" => "LOGIN_ERROR"));
 			}
 		} else {