diff --git a/modules/board/skins/cozy_board/extra_var_form.html b/modules/board/skins/cozy_board/extra_var_form.html
index d0537260f..f7d800816 100644
--- a/modules/board/skins/cozy_board/extra_var_form.html
+++ b/modules/board/skins/cozy_board/extra_var_form.html
@@ -38,7 +38,7 @@
     <!--@if($val->default)-->
         <ul style="padding:0;margin:0;list-style:none;">
         <!--@foreach($val->default as $v)-->
-            <li><input type="checkbox" name="{$val->column_name}" value="{$v}" <!--@if(is_array($val->value)&&in_array($v, $val->value))-->checked="checked"<!--@end-->/> {$v}</li>
+            <li><input type="checkbox" name="{$val->column_name}" value="{$v}" <!--@if($v==$val->value||is_array($val->value)&&in_array($v, $val->value))-->checked="checked"<!--@end-->/> {$v}</li>
         <!--@end-->
         </ul>
     <!--@end-->
diff --git a/modules/board/skins/xe_board/extra_var_form.html b/modules/board/skins/xe_board/extra_var_form.html
index a74f992b7..a62342adc 100644
--- a/modules/board/skins/xe_board/extra_var_form.html
+++ b/modules/board/skins/xe_board/extra_var_form.html
@@ -38,7 +38,7 @@
     <!--@if($val->default)-->
         <ul>
         <!--@foreach($val->default as $v)-->
-            <li><input type="checkbox" name="{$val->column_name}" value="{$v}" <!--@if(is_array($val->value)&&in_array($v, $val->value))-->checked="checked"<!--@end-->/> {$v}</li>
+            <li><input type="checkbox" name="{$val->column_name}" value="{$v}" <!--@if($v==$val->value||is_array($val->value)&&in_array($v, $val->value))-->checked="checked"<!--@end-->/> {$v}</li>
         <!--@end-->
         </ul>
     <!--@end-->
diff --git a/modules/board/skins/xe_guestbook/extra_var_form.html b/modules/board/skins/xe_guestbook/extra_var_form.html
index d0537260f..f7d800816 100644
--- a/modules/board/skins/xe_guestbook/extra_var_form.html
+++ b/modules/board/skins/xe_guestbook/extra_var_form.html
@@ -38,7 +38,7 @@
     <!--@if($val->default)-->
         <ul style="padding:0;margin:0;list-style:none;">
         <!--@foreach($val->default as $v)-->
-            <li><input type="checkbox" name="{$val->column_name}" value="{$v}" <!--@if(is_array($val->value)&&in_array($v, $val->value))-->checked="checked"<!--@end-->/> {$v}</li>
+            <li><input type="checkbox" name="{$val->column_name}" value="{$v}" <!--@if($v==$val->value||is_array($val->value)&&in_array($v, $val->value))-->checked="checked"<!--@end-->/> {$v}</li>
         <!--@end-->
         </ul>
     <!--@end-->