diff --git a/bbs/write.php b/bbs/write.php
index 78d5a975e..9481f3629 100644
--- a/bbs/write.php
+++ b/bbs/write.php
@@ -386,7 +386,7 @@ else
 
 $captcha_html = '';
 $captcha_js   = '';
-$is_use_captcha = ((!empty($board['bo_use_captcha'] && $w!=='u') || $is_guest) && !$is_admin) ? 1 : 0;
+$is_use_captcha = ((($board['bo_use_captcha'] && $w!=='u') || $is_guest) && !$is_admin) ? 1 : 0;
 
 if ($is_use_captcha) {
     $captcha_html = captcha_html();
diff --git a/bbs/write_update.php b/bbs/write_update.php
index d3d1c005f..590380f95 100644
--- a/bbs/write_update.php
+++ b/bbs/write_update.php
@@ -188,7 +188,7 @@ if ($w == '' || $w == 'u') {
     alert('w 값이 제대로 넘어오지 않았습니다.');
 }
 
-$is_use_captcha = ((!empty($board['bo_use_captcha'] && $w!=='u') || $is_guest) && !$is_admin) ? 1 : 0;
+$is_use_captcha = ((($board['bo_use_captcha'] && $w!=='u') || $is_guest) && !$is_admin) ? 1 : 0;
 
 if ($is_use_captcha && !chk_captcha()) {
     alert('자동등록방지 숫자가 틀렸습니다.');