diff --git a/roles/xmpp_server/molecule/default/prepare.yml b/roles/xmpp_server/molecule/default/prepare.yml
index 9a18e4048d553a8d0dc0cd80983793ef418faf6a..3565f16c730c0e26cf1ff9e6ab1ec3af786b59e8 100644
--- a/roles/xmpp_server/molecule/default/prepare.yml
+++ b/roles/xmpp_server/molecule/default/prepare.yml
@@ -184,8 +184,10 @@
 
   handlers:
 
-    - name: Update CA certificate cache
+    - name: Update CA certificate cache  # noqa no-changed-when
       command: /usr/sbin/update-ca-certificates --fresh
+      # [no-changed-when] Commands should not change things if nothing needs doing
+      #   Does not matter in test prepare stage.
 
 - name: Prepare, helpers
   hosts: ldap-server