diff --git a/config.default.yml b/config.default.yml
index 835514f..7aea709 100644
--- a/config.default.yml
+++ b/config.default.yml
@@ -1,4 +1,5 @@
 hostname: mondomaine.net
+roles: [ webserver ]
 packages:
   debian: [ htop, tmux, vim, emacs, mutt, mosh ]
   rust: [ lsd ]
diff --git a/config.yml b/config.yml
index 3be3248..750cd51 100644
--- a/config.yml
+++ b/config.yml
@@ -1,4 +1,5 @@
 hostname: fr.tild3.org
+roles: [ webserver, rust ]
 packages:
   debian: [ subversion, mercurial, htop, tmux, vim, emacs, mutt, weechat, elinks, rsync, dnsutils, make, g++, libssl-dev, mosh, gopher ]
   rust: [ lsd ]
diff --git a/recette.yml b/recette.yml
index 7236f32..7edf80f 100644
--- a/recette.yml
+++ b/recette.yml
@@ -2,5 +2,3 @@
   hosts: all
   roles:
     - common
-    - webserver
-    - rust
diff --git a/roles/common/tasks/main.yml b/roles/common/tasks/main.yml
index 9b656dd..1a0d8e1 100644
--- a/roles/common/tasks/main.yml
+++ b/roles/common/tasks/main.yml
@@ -25,3 +25,11 @@
 - include: tor.yml
 
 - include: users.yml
+
+- name: Exécuter les rôles définis dans la config
+  include_role:
+    name: "{{ current_role }}"
+  loop: "{{ roles }}"
+  loop_control:
+    loop_var: current_role
+  when: roles is defined