diff --git a/app/views/admin/activities/_form.html.erb b/app/views/admin/activities/_form.html.erb
index 068bcad..0d77476 100644
--- a/app/views/admin/activities/_form.html.erb
+++ b/app/views/admin/activities/_form.html.erb
@@ -98,7 +98,7 @@
             <div class="control-group">
                 <label class="control-label muted"><%= t("personal_activity.activity_start_date") %></label>
                 <div class="controls">
-                    <%= f.datetime_picker :publish_date, :no_label => true,:format=>"yyyy/MM/dd", :placeholder=>"YYYY/MM/DD", :value => @activity.activity_end_date, :new_record => @activity.new_record? %>
+                    <%= f.datetime_picker :activity_start_date, :no_label => true,:format=>"yyyy/MM/dd", :placeholder=>"YYYY/MM/DD", :value => @activity.activity_end_date, :new_record => @activity.new_record? %>
                 </div>
             </div>
 
@@ -106,7 +106,7 @@
             <div class="control-group">
                 <label class="control-label muted"><%= t("personal_activity.activity_end_date") %></label>
                 <div class="controls">
-                    <%= f.datetime_picker :publication_date, :no_label => true,:format=>"yyyy/MM/dd", :placeholder=>"YYYY/MM/DD", :value => @activity.activity_end_date, :new_record => @activity.new_record? %>
+                    <%= f.datetime_picker :activity_end_date, :no_label => true,:format=>"yyyy/MM/dd", :placeholder=>"YYYY/MM/DD", :value => @activity.activity_end_date, :new_record => @activity.new_record? %>
                 </div>
             </div>