diff --git a/group_vars/ffs13 b/group_vars/ffs13
index e6a8277ad258da453385fa62d82333b0f4d0caf0..46e7a6208e80bc551262e8edeb3a9016c18517d6 100644
--- a/group_vars/ffs13
+++ b/group_vars/ffs13
@@ -4,6 +4,7 @@ users_group:
   - leonard
   - roland
   - nrb
+  - wilhelm
 
 users_root_group:
   - are