diff --git a/bt5/erp5_discussion/SkinTemplateItem/portal_skins/erp5_discussion/DiscussionThread_viewCreateNewDiscussionPostDialog.xml b/bt5/erp5_discussion/SkinTemplateItem/portal_skins/erp5_discussion/DiscussionThread_viewCreateNewDiscussionPostDialog.xml
index f34541f33aaf94b111db38da50ab0038f92d5541..7f90a66a1366faadf537180d8815fa0295b1c40f 100644
--- a/bt5/erp5_discussion/SkinTemplateItem/portal_skins/erp5_discussion/DiscussionThread_viewCreateNewDiscussionPostDialog.xml
+++ b/bt5/erp5_discussion/SkinTemplateItem/portal_skins/erp5_discussion/DiscussionThread_viewCreateNewDiscussionPostDialog.xml
@@ -53,7 +53,7 @@
         </item>
         <item>
             <key> <string>enctype</string> </key>
-            <value> <string></string> </value>
+            <value> <string>multipart/form-data</string> </value>
         </item>
         <item>
             <key> <string>group_list</string> </key>
diff --git a/bt5/erp5_discussion/bt/revision b/bt5/erp5_discussion/bt/revision
index aa59885c836ad82e8a621dbdde0bf9fb7a80c346..70e1a64c23f0dc1eb79598f64221bd0c38f18b97 100644
--- a/bt5/erp5_discussion/bt/revision
+++ b/bt5/erp5_discussion/bt/revision
@@ -1 +1 @@
-143
\ No newline at end of file
+144
\ No newline at end of file