diff --git a/roles/wsgi_website/molecule/default/prepare.yml b/roles/wsgi_website/molecule/default/prepare.yml
index 576b25f7ade46c2e578b0f3fb24e3828f5af047a..7112f12c9130fab03c04f342c5a42f006914d07d 100644
--- a/roles/wsgi_website/molecule/default/prepare.yml
+++ b/roles/wsgi_website/molecule/default/prepare.yml
@@ -132,5 +132,7 @@
         name: postfix
         state: restarted
 
-    - name: Generate aliases database
+    - name: Generate aliases database  # noqa no-changed-when
       command: "/usr/bin/newaliases"
+      # [no-changed-when] Commands should not change things if nothing needs doing
+      #   Does not matter in test prepare stage.