diff --git a/plugin/kcaptcha/kcaptcha.lib.php b/plugin/kcaptcha/kcaptcha.lib.php
index ccf5e358d..7fc5309a7 100644
--- a/plugin/kcaptcha/kcaptcha.lib.php
+++ b/plugin/kcaptcha/kcaptcha.lib.php
@@ -247,7 +247,7 @@ function captcha_html($class="captcha")
     $html .= "\n".'<legend><label for="captcha_key">자동등록방지</label></legend>';
     if (is_mobile()) $html .= '<audio id="captcha_audio" controls></audio>';
     //$html .= "\n".'<img src="#" alt="" id="captcha_img">';
-    $html .= "\n".'<img src="javascript:void(0);" alt="" id="captcha_img">';
+    $html .= "\n".'<img src="'.G5_CAPTCHA_URL.'/img/dot.gif" alt="" id="captcha_img">';
     if (!is_mobile()) $html .= "\n".'<button type="button" id="captcha_mp3"><span></span>숫자음성듣기</button>';
     $html .= "\n".'<button type="button" id="captcha_reload"><span></span>새로고침</button>';
     $html .= '<input type="text" name="captcha_key" id="captcha_key" required class="captcha_box required" size="6" maxlength="6">';