diff --git a/runbot/data/runbot_data.xml b/runbot/data/runbot_data.xml
index d6fde41c..cd723d7b 100644
--- a/runbot/data/runbot_data.xml
+++ b/runbot/data/runbot_data.xml
@@ -47,6 +47,11 @@ admin_passwd=running_master_password</field>
         <field name="value">^((master)|(saas-)?\d+\.\d+)$</field>
     </record>
 
+    <record model="ir.config_parameter" id="runbot.use_ssl">
+        <field name="key">runbot.use_ssl</field>
+        <field name="value">True</field>
+    </record>
+
     <record model="ir.config_parameter" id="runbot.runbot_forwardport_author">
         <field name="key">runbot.runbot_forwardport_author</field>
         <field name="value">fw-bot</field>
diff --git a/runbot/models/res_config_settings.py b/runbot/models/res_config_settings.py
index 196264f1..f486aca4 100644
--- a/runbot/models/res_config_settings.py
+++ b/runbot/models/res_config_settings.py
@@ -28,6 +28,7 @@ class ResConfigSettings(models.TransientModel):
     runbot_forwardport_author = fields.Char('Forwardbot author')
     runbot_organisation = fields.Char('Organisation')
     runbot_disable_host_on_fetch_failure = fields.Boolean('Disable host on fetch failure')
+    runbot_use_ssl = fields.Boolean('Use ssl for workers', help="select if worker ressources (log, dump, ...) uses ssl or not.", config_parameter="runbot.use_ssl")
 
     runbot_db_gc_days = fields.Integer(
         'Days before gc',
diff --git a/runbot/tests/test_upgrade.py b/runbot/tests/test_upgrade.py
index 09044bf3..ac290b0a 100644
--- a/runbot/tests/test_upgrade.py
+++ b/runbot/tests/test_upgrade.py
@@ -421,7 +421,7 @@ class TestUpgradeFlow(RunbotCase):
             source_dest = current_build.params_id.dump_db.build_id.dest
 
             def docker_run_restore(cmd, *args, **kwargs):
-                dump_url = f'http://host.runbot.com/runbot/static/build/{source_dest}/logs/{source_dest}-{suffix}.zip'
+                dump_url = f'https://host.runbot.com/runbot/static/build/{source_dest}/logs/{source_dest}-{suffix}.zip'
                 zip_name = f'{source_dest}-{suffix}.zip'
                 db_name = f'{current_build.dest}-{suffix}'
                 self.assertEqual(
diff --git a/runbot/views/res_config_settings_views.xml b/runbot/views/res_config_settings_views.xml
index 18603298..9b7f807a 100644
--- a/runbot/views/res_config_settings_views.xml
+++ b/runbot/views/res_config_settings_views.xml
@@ -25,6 +25,10 @@
                           <field name="runbot_timeout" style="width: 15%;"/>
                           <label for="runbot_starting_port" class="col-xs-3 o_light_label" style="width: 60%;"/>
                           <field name="runbot_starting_port" style="width: 15%;"/>
+                          <label for="runbot_disable_host_on_fetch_failure" class="col-xs-3 o_light_label" style="width: 60%;"/>
+                          <field name="runbot_disable_host_on_fetch_failure" style="width: 15%;"/>
+                          <label for="runbot_use_ssl" class="col-xs-3 o_light_label" style="width: 60%;"/>
+                          <field name="runbot_use_ssl" style="width: 15%;"/>
                         </div>
                       </div>
                     </div>
@@ -34,8 +38,6 @@
                         <div class="content-group">
                           <label for="runbot_max_age" class="col-xs-3 o_light_label" style="width: 60%;"/>
                           <field name="runbot_max_age" style="width: 15%;"/>
-                          <label for="runbot_disable_host_on_fetch_failure" class="col-xs-3 o_light_label" style="width: 40%;"/>
-                          <field name="runbot_disable_host_on_fetch_failure" style="width: 15%;"/>
                         </div>
                       </div>
                     </div>