diff --git a/group_vars/crans_server/vars.yml b/group_vars/crans_server/vars.yml
index 75c8f4d8..136ce4ab 100644
--- a/group_vars/crans_server/vars.yml
+++ b/group_vars/crans_server/vars.yml
@@ -6,4 +6,4 @@ ldap:
 
 # Parameters for debian mirror
 debian_mirror: http://mirror.adm.crans.org/debian
-debian_components: main non_free
+debian_components: main non-free