diff --git a/bt5/erp5_discussion/SkinTemplateItem/portal_skins/erp5_discussion/ERP5Site_viewDiscussionThreadGadget/your_add_new_thread_link.xml b/bt5/erp5_discussion/SkinTemplateItem/portal_skins/erp5_discussion/ERP5Site_viewDiscussionThreadGadget/your_add_new_thread_link.xml
index b888f3b29422db380cdd35a19038509722f0f653..1c162034cadef36e852cc31f1d2a6531c88d805f 100644
--- a/bt5/erp5_discussion/SkinTemplateItem/portal_skins/erp5_discussion/ERP5Site_viewDiscussionThreadGadget/your_add_new_thread_link.xml
+++ b/bt5/erp5_discussion/SkinTemplateItem/portal_skins/erp5_discussion/ERP5Site_viewDiscussionThreadGadget/your_add_new_thread_link.xml
@@ -147,7 +147,7 @@
             <key> <string>_text</string> </key>
             <value> <string encoding="cdata"><![CDATA[
 
-python: \'<a class="bt-small" style="width:100px;" href="%s/discussion_thread_module/DiscussionThreadModule_viewCreateNewDiscussionThreadDialog?cancel_url=%s"><span><img src="km_img/icon-add.png" alt="+"/>Post message</span></a>\' %(here.getWebSiteValue().absolute_url(), here.absolute_url())
+python: \'<a class="bt-small" style="width:100px;" href="%s/discussion_thread_module/DiscussionThreadModule_viewCreateNewDiscussionThreadDialog?cancel_url=%s"><span>Post message</span></a>\' %(here.getWebSiteValue().absolute_url(), here.absolute_url())
 
 ]]></string> </value>
         </item>
diff --git a/bt5/erp5_discussion/bt/revision b/bt5/erp5_discussion/bt/revision
index aca544d017fda52bacd14eecff279d5097137c6e..bc768da71aa51e6697be661827eee8604e06de95 100644
--- a/bt5/erp5_discussion/bt/revision
+++ b/bt5/erp5_discussion/bt/revision
@@ -1 +1 @@
-145
\ No newline at end of file
+146
\ No newline at end of file