diff --git a/group_vars/reverseproxy.yml b/group_vars/reverseproxy.yml
index fdb4685..34d7d6b 100644
--- a/group_vars/reverseproxy.yml
+++ b/group_vars/reverseproxy.yml
@@ -1,3 +1,4 @@
+---
 loc_nginx:
   servers: []
 
diff --git a/host_vars/re2o-bdd.adm.auro.re.yml b/host_vars/re2o-bdd.adm.auro.re.yml
index 3b7266a..7991f13 100644
--- a/host_vars/re2o-bdd.adm.auro.re.yml
+++ b/host_vars/re2o-bdd.adm.auro.re.yml
@@ -1 +1,2 @@
+---
 postgresql_databases: true