diff --git a/evoacme/tasks/acme.yml b/evoacme/tasks/acme.yml
index 3fbd7630..4c16f7f0 100644
--- a/evoacme/tasks/acme.yml
+++ b/evoacme/tasks/acme.yml
@@ -12,6 +12,7 @@
     createhome: no
     home: "{{ evoacme_acme_dir }}"
     shell: /bin/false
+    system: yes
 
 - name: Fix crt dir's right
   file: