diff --git a/testsite/group_vars/all.yml b/testsite/group_vars/all.yml
index d3f3f02b715362ffc71de53c998518e8d3ed5656..f07efee641c1354efe591ee4bd668a64624b831a 100644
--- a/testsite/group_vars/all.yml
+++ b/testsite/group_vars/all.yml
@@ -79,3 +79,7 @@ backup_server_host_ssh_public_keys:
   - "{{ lookup('file', inventory_dir + '/ssh/backup_server_ecdsa_key.pub') }}"
 
 backup_ssh_key: "{{ lookup('file', inventory_dir + '/ssh/' + ansible_fqdn) }}"
+
+# Set-up prompt.
+prompt_colour: light_purple
+prompt_id: MAR
\ No newline at end of file