diff --git a/stack/erp5/buildout.cfg b/stack/erp5/buildout.cfg
index 22a768f962cc6f94bdda5fdc8e9014b3ef53487d..b9f5e0e2507a2247625d7c16d7f98c445a1eb828 100644
--- a/stack/erp5/buildout.cfg
+++ b/stack/erp5/buildout.cfg
@@ -208,7 +208,7 @@ md5sum = 564006953b7d7a12d40a14b6648b32f0
 # XXX: "template.cfg" is hardcoded in instanciation recipe
 filename = template.cfg
 template = ${:_profile_base_location_}/instance.cfg.in
-md5sum = 55a4a8957ac0cb9462fadafe9a2fe378
+md5sum = 36ba0ca411fac348faa95ac7c0892e96
 extra-context =
     key apache_location apache:location
     key aspell_location aspell:location
@@ -287,7 +287,7 @@ md5sum = f271a904e7cc0039ce109f592fb48b5f
 [template-scalability]
 < = download-base
 filename = instance-scalability.cfg.in
-md5sum = 6d33726c7cbe727fe7175080864e3ea1
+md5sum = fbbfece0272b819cda88895b6cb7258a
 
 [template-zeo]
 < = download-base
diff --git a/stack/erp5/instance-scalability.cfg.in b/stack/erp5/instance-scalability.cfg.in
index b33be21cac36343478710db2f2cd0742b6a9685f..49a57eee0b6f42b7b5b7c14d2cbede6867fb97a1 100644
--- a/stack/erp5/instance-scalability.cfg.in
+++ b/stack/erp5/instance-scalability.cfg.in
@@ -24,24 +24,18 @@ config =
   ${:extra-config}
 extra-config =
 config-use-ipv6 = {{ dumps(slapparameter_dict.get('use-ipv6', False)) }}
-return = url
-
 
 [launcher-param]
 binary-path = ${rootdirectory:bin}/launcher
 wrapper-path = ${rootdirectory:bin}/launcher
-log-path = ${basedirectory:log}/scalability_launcher.log
+log-path = ${basedirectory:log}/launcher.log
 test-suite-title = {{ slapparameter_dict.get('test-suite-title', '') }}
 
 [binary-wrap-launcher]
 recipe = slapos.cookbook:wrapper
-command-line = "{{ parameter_dict['launcher-location'] }}/bin/launcher \
---test_suite_title Bonjour --log ${launcher-param:log-path}"
+command-line = "${launcher-param:binary-path} --test_suite_title ${launcher-param:test-suite-title} --log ${launcher-param:log-path}"
 output = ${launcher-param:binary-path}
-
-#
-# voir : instance-mariadb.cfg.in ... (ou pas)
-#
+return = url
 
 
 [basedirectory]
diff --git a/stack/erp5/instance.cfg.in b/stack/erp5/instance.cfg.in
index 0ca9b6b3676ce5d175f74d14b45bfec02d56f752..67a356fb869c2b22ecbc2653e0d92c4dcef4192a 100644
--- a/stack/erp5/instance.cfg.in
+++ b/stack/erp5/instance.cfg.in
@@ -169,6 +169,7 @@ template = {{ template_scalability }}
 filename = instance-scalability.cfg
 extensions = jinja2.ext.do
 extra-context =
+    key local_bt5_repository dynamic-template-cluster-erp5-parameters:local-bt5-repository
 # Must match the key id in [switch-softwaretype] which uses this section.
     raw software_type scalability