diff --git a/static/src/js/app/oj/account/login.js b/static/src/js/app/oj/account/login.js
index 32343c9..22d4759 100644
--- a/static/src/js/app/oj/account/login.js
+++ b/static/src/js/app/oj/account/login.js
@@ -33,7 +33,9 @@ require(["jquery", "bsAlert", "csrfToken", "validator"], function ($, bsAlert, c
                         location.href = "/";
                     }
                     else {
-                        refresh_captcha();
+                        if(applied_captcha) {
+                            refresh_captcha();
+                        }
                         bsAlert(data.data);
                     }
                 }