diff --git a/runbot/models/repo.py b/runbot/models/repo.py
index dad25628..33a0ffad 100644
--- a/runbot/models/repo.py
+++ b/runbot/models/repo.py
@@ -530,7 +530,7 @@ class Repo(models.Model):
                 if try_count > 4:
                     message = 'Failed to fetch repo %s: %s' % (self.name, e.output.decode())
                     host = self.env['runbot.host']._get_current()
-                    host.message_post(body='message')
+                    host.message_post(body=message)
                     self.env['runbot.runbot'].warning('Host %s got reserved because of fetch failure' % host.name)
                     _logger.exception(message)
                     host.disable()
diff --git a/runbot/templates/utils.xml b/runbot/templates/utils.xml
index b427e81e..d6290c1d 100644
--- a/runbot/templates/utils.xml
+++ b/runbot/templates/utils.xml
@@ -166,7 +166,7 @@
                 </span>
                 <a t-if="bu.local_state == 'running' and bu.database_ids" t-attf-href="http://{{sorted(bu.mapped('database_ids.name'))[0]}}.{{bu.host}}" class="fa fa-sign-in btn btn-info"/>
                 <t t-if="bu" t-call="runbot.build_menu"/>
-                <a t-if="not bu" class="btn btn-default" title="Create build" t-attf-href="/runbot/batch/slot/{{slot.id}}/build">
+                <a t-if="not bu" groups="runbot.group_user" class="btn btn-default" title="Create build" t-attf-href="/runbot/batch/slot/{{slot.id}}/build">
                     <i class="fa fa-play fa-fw"/>
                 </a>
             </div>