diff --git a/plugin/captcha/captcha.lib.php b/plugin/captcha/captcha.lib.php
index 465949029..57e0a5763 100644
--- a/plugin/captcha/captcha.lib.php
+++ b/plugin/captcha/captcha.lib.php
@@ -144,17 +144,17 @@ function captcha_html($input_name, $captcha_id_suffix='')
     // 세션생성을 한후 다음페이지에서 해당 세션이 있을때만 올바른 캡챠코드인지 비교합니다.
     set_session('ss_captcha_use', true);
 
-    $code  = '<fieldset id="captcha'.$captcha_id_suffix.'">';
-    $code .= '<legend>자동등록방지</legend>';
-    //$code .= '<img src="" id="captcha" alt="자동등록방지 이미지" title="이미지를 클릭하시면 숫자가 바뀝니다.">';
-    $code .= '<iframe id="captcha_iframe" name="captcha_iframe" src="'.$g4['path'].'/plugin/captcha/run.php" width="80" height="25" frameborder="0" scrolling="no"></iframe>';
-    $code .= '<a href="'.$g4['path'].'/plugin/captcha/run.php" target="captcha_iframe">새로고침</a>';
-    $code .= '<a href="'.$g4['path'].'/plugin/captcha/wav.php" id="captcha_wav">wav</a>';
-    $code .= '<label>자동등록방지 입력</label>';
-    $code .= '<input type="text" id="captcha_key" name="'.$input_name.'" class="captcha_box frm_input" size="10" maxlength="5" required title="자동등록방지 입력">';
-    $code .= '<p>이미지의 숫자를 순서대로 입력하세요. 새로고침을 클릭하시면 새로운 숫자가 나타납니다.</p>';
-    $code .= '</fieldset>';
-    return $code;
+    $html  = '<fieldset id="captcha'.$captcha_id_suffix.'">';
+    $html .= '<legend>자동등록방지</legend>';
+    //$html .= '<img src="" id="captcha" alt="자동등록방지 이미지" title="이미지를 클릭하시면 숫자가 바뀝니다.">';
+    $html .= '<iframe id="captcha_iframe" name="captcha_iframe" src="'.$g4['path'].'/plugin/captcha/run.php" width="80" height="25" frameborder="0" scrolling="no"></iframe>';
+    $html .= '<a href="'.$g4['path'].'/plugin/captcha/run.php" target="captcha_iframe">새로고침</a>';
+    $html .= '<a href="'.$g4['path'].'/plugin/captcha/wav.php" id="captcha_wav">wav</a>';
+    $html .= '<label>자동등록방지 입력</label>';
+    $html .= '<input type="text" id="captcha_key" name="'.$input_name.'" class="captcha_box frm_input" size="10" maxlength="5" required title="자동등록방지 입력">';
+    $html .= '<p>이미지의 숫자를 순서대로 입력하세요. 새로고침을 클릭하시면 새로운 숫자가 나타납니다.</p>';
+    $html .= '</fieldset>';
+    return $html;
 }