diff --git a/roles/debian-once/tasks/root.yml b/roles/debian-once/tasks/root.yml
index 0d93b92..ad021ca 100644
--- a/roles/debian-once/tasks/root.yml
+++ b/roles/debian-once/tasks/root.yml
@@ -1,7 +1,6 @@
 - name: Generate a random root password
   set_fact:
-    root_password: >
-      {{ lookup('password', '/dev/null length=18 chars=ascii_letters,digits') }}
+    root_password: "{{ lookup('password', '/dev/null length=18 chars=ascii_letters,digits') }}"
 - name: Save root password into Passbolt
   set_fact:
     msg: >