diff --git a/stack/erp5/buildout.cfg b/stack/erp5/buildout.cfg
index a7b49b41497ef861cc311796d7a765ffe0132d80..ad1bcd3c514edd5be3fb421fc275955b81a2adc4 100644
--- a/stack/erp5/buildout.cfg
+++ b/stack/erp5/buildout.cfg
@@ -272,7 +272,7 @@ extra-context =
 [template-erp5]
 < = download-base
 filename = instance-erp5.cfg.in
-md5sum = 96d3611ffc0f6a6664cc2e9824adacdd
+md5sum = fabf98dcb9e3d0fa8236397d69293528
 
 [template-neo]
 < = download-base
diff --git a/stack/erp5/instance-erp5.cfg.in b/stack/erp5/instance-erp5.cfg.in
index 72ad17e67cb3f6e3adfd77a56df7798fd8de3244..52d11830dff5e84b0c5d4242c9245cf61d9ff20c 100644
--- a/stack/erp5/instance-erp5.cfg.in
+++ b/stack/erp5/instance-erp5.cfg.in
@@ -18,7 +18,7 @@ config =
 extra-config =
 config-use-ipv6 = {{ dumps(slapparameter_dict.get('use-ipv6', False)) }}
 
-{% macro request(name, software_type, config_key, config={}, ret={'url': True}) -%}
+{% macro request(name, software_type, config_key, config, ret={'url': True}) -%}
 {% do config.update(slapparameter_dict.get(config_key, {})) -%}
 {% set section = 'request-' ~ name -%}
 [{{ section }}]