diff --git a/plugin/kcaptcha/kcaptcha.lib.php b/plugin/kcaptcha/kcaptcha.lib.php
index 26c2bd532..74d9054fb 100644
--- a/plugin/kcaptcha/kcaptcha.lib.php
+++ b/plugin/kcaptcha/kcaptcha.lib.php
@@ -239,7 +239,7 @@ function captcha_html($class="captcha")
     //$html .= "\n".'<script>var g5_captcha_path = "'.G5_CAPTCHA_PATH.'";</script>';
     $html .= "\n".'<script src="'.G5_CAPTCHA_URL.'/kcaptcha.js"></script>';
     $html .= "\n".'<fieldset id="captcha" class="'.$class.'">';
-    $html .= "\n".'<legend>자동등록방지</legend>';
+    $html .= "\n".'<legend><label for="captcha_key">자동등록방지</label></legend>';
     if (G5_IS_MOBILE) $html .= '<audio src="#" id="captcha_audio" controls></audio>';
     //$html .= "\n".'<img src="#" alt="" id="captcha_img">';
     $html .= "\n".'<img src="javascript:void(0);" alt="" id="captcha_img">';