diff --git a/adm/mail_list.php b/adm/mail_list.php
index f748818a3..2cc4eeb92 100644
--- a/adm/mail_list.php
+++ b/adm/mail_list.php
@@ -76,7 +76,7 @@ $colspan = 6;
     </table>
 
     <div class="btn_list">
-        <button>선택삭제</button>
+        <button type="submit">선택삭제</button>
     </div>
     </form>
 </section>
diff --git a/adm/poll_list.php b/adm/poll_list.php
index b828c347a..f74f69985 100644
--- a/adm/poll_list.php
+++ b/adm/poll_list.php
@@ -128,7 +128,7 @@ $colspan = 6;
     </table>
 
     <div class="btn_list">
-        <button>선택삭제</button>
+        <button type="submit">선택삭제</button>
     </div>
     </form>
 </section>
diff --git a/adm/popular_list.php b/adm/popular_list.php
index 1ff5ebac1..6eb27eecd 100644
--- a/adm/popular_list.php
+++ b/adm/popular_list.php
@@ -134,7 +134,7 @@ var list_delete_php = 'popular_list.php';
 
     <?if ($is_admin == 'super'){ ?>
     <div class="btn_list">
-        <button>선택삭제</button>
+        <button type="submit">선택삭제</button>
     </div>
     <?}?>