diff --git a/bbs/content.php b/bbs/content.php
index 8aa2f36af..b46d6f338 100644
--- a/bbs/content.php
+++ b/bbs/content.php
@@ -19,7 +19,7 @@ if (!$co['co_id'])
 
 $g5['title'] = $co['co_subject'];
 
-if (is_include_path_check($co['co_include_head']))
+if ($co['co_include_head'] && is_include_path_check($co['co_include_head']))
     @include_once($co['co_include_head']);
 else
     include_once('./_head.php');
@@ -85,7 +85,7 @@ if(is_file($skin_file)) {
     echo '<p>'.str_replace(G5_PATH.'/', '', $skin_file).'이 존재하지 않습니다.</p>';
 }
 
-if (is_include_path_check($co['co_include_tail']))
+if ($co['co_include_tail'] && is_include_path_check($co['co_include_tail']))
     @include_once($co['co_include_tail']);
 else
     include_once('./_tail.php');
diff --git a/bbs/qahead.php b/bbs/qahead.php
index d4aaa4d6e..976f4d524 100644
--- a/bbs/qahead.php
+++ b/bbs/qahead.php
@@ -9,7 +9,7 @@ if (G5_IS_MOBILE) {
     include_once('./_head.php');
     echo conv_content($qaconfig['qa_mobile_content_head'], 1);
 } else {
-    if(is_include_path_check($qaconfig['qa_include_head']))
+    if($qaconfig['qa_include_head'] && is_include_path_check($qaconfig['qa_include_head']))
         @include ($qaconfig['qa_include_head']);
     else
         include ('./_head.php');
diff --git a/bbs/qatail.php b/bbs/qatail.php
index 8cc00e1a3..8b22bcf66 100644
--- a/bbs/qatail.php
+++ b/bbs/qatail.php
@@ -7,7 +7,7 @@ if (G5_IS_MOBILE) {
     include_once('./_tail.php');
 } else {
     echo conv_content($qaconfig['qa_content_tail'], 1);
-    if(is_include_path_check($qaconfig['qa_include_tail']))
+    if($qaconfig['qa_include_tail'] && is_include_path_check($qaconfig['qa_include_tail']))
         @include ($qaconfig['qa_include_tail']);
     else
         include ('./_tail.php');