diff --git a/modules/board/skins/cozy_board/extra_var_value.html b/modules/board/skins/cozy_board/extra_var_value.html
index fd889bab2..7a0ae8d24 100644
--- a/modules/board/skins/cozy_board/extra_var_value.html
+++ b/modules/board/skins/cozy_board/extra_var_value.html
@@ -5,6 +5,7 @@
 
 <!-- 확장변수의 값을 documentItem::getExtraValue로 가져옴 -->
 {@ $val->value = $oDocument->getExtraValue($key)}
+{@ $_tmp_value = array(); }
 
 <!-- 일반 text -->
 <!--@if($val->type == 'text')--> 
diff --git a/modules/board/skins/xe_board/extra_var_value.html b/modules/board/skins/xe_board/extra_var_value.html
index fd889bab2..7a0ae8d24 100644
--- a/modules/board/skins/xe_board/extra_var_value.html
+++ b/modules/board/skins/xe_board/extra_var_value.html
@@ -5,6 +5,7 @@
 
 <!-- 확장변수의 값을 documentItem::getExtraValue로 가져옴 -->
 {@ $val->value = $oDocument->getExtraValue($key)}
+{@ $_tmp_value = array(); }
 
 <!-- 일반 text -->
 <!--@if($val->type == 'text')--> 
diff --git a/modules/board/skins/xe_guestbook/extra_var_value.html b/modules/board/skins/xe_guestbook/extra_var_value.html
index fd889bab2..7a0ae8d24 100644
--- a/modules/board/skins/xe_guestbook/extra_var_value.html
+++ b/modules/board/skins/xe_guestbook/extra_var_value.html
@@ -5,6 +5,7 @@
 
 <!-- 확장변수의 값을 documentItem::getExtraValue로 가져옴 -->
 {@ $val->value = $oDocument->getExtraValue($key)}
+{@ $_tmp_value = array(); }
 
 <!-- 일반 text -->
 <!--@if($val->type == 'text')-->