diff --git a/app/views/admin/announcements/settings.html.erb b/app/views/admin/announcements/settings.html.erb
index 8d66b22..c22115c 100644
--- a/app/views/admin/announcements/settings.html.erb
+++ b/app/views/admin/announcements/settings.html.erb
@@ -110,18 +110,20 @@
       }
     })
   }
-  var approverList = $(".hidden-approver-list");
-  $(".approver-check input").on("click",function(){
-    var el = $(this);
-    if(el.is(":checked")){
-      var t = $("<input type='hidden'>");
-      t.val(el.val());
-      t.attr("name", "announcement_setting[approvers][]");
-      t.attr("id", "check_" + el.val());
-      approverList.append(t);
-    }else{
-      approverList.find("#check_" + el.val()).remove();
-    }
+  $(document).ready(function(){
+    var approverList = $(".hidden-approver-list");
+    $(".approver-check input").on("click",function(){
+      var el = $(this);
+      if(el.is(":checked")){
+        var t = $("<input type='hidden'>");
+        t.val(el.val());
+        t.attr("name", "announcement_setting[approvers][]");
+        t.attr("id", "check_" + el.val());
+        approverList.append(t);
+      }else{
+        approverList.find("#check_" + el.val()).remove();
+      }
+    })
   })
 </script>
 <div id="notification"><%= t("announcement.click_on_submit") %></div>