diff --git a/playbooks/group_vars/all/vault.yml b/playbooks/group_vars/all/vault.yml
index 0e4901e..6ff617f 100644
--- a/playbooks/group_vars/all/vault.yml
+++ b/playbooks/group_vars/all/vault.yml
@@ -60,11 +60,14 @@ hashi_vault_env_variables: {}
 hashi_vault_config_dir: "/etc/vault.d"
 hashi_vault_data_dir: "/opt/vault"
 hashi_vault_extra_files: true
-hashi_vault_extra_files_set:
-  "{{ (vault_certificates_extra_files_dir if vault_enable_tls else []) |
-  union(vault_plugin_extra_files_dir if vault_enable_plugins else []) |
-  union(vault_extra_files_list) |
-  list }}"
+hashi_vault_extra_files_list: "{{ ([] +
+  (vault_certificates_extra_files_dir if vault_enable_tls else []) +
+  (vault_plugin_extra_files_dir if vault_enable_plugins else []) +
+  vault_extra_files_list)
+  | unique
+  | sort
+  }}"
+
 hashi_vault_extra_files_src: "{{ sub_configuration_directories.vault_servers }}/config"
 hashi_vault_extra_files_dst: "{{ hashi_vault_config_dir }}/config"
 hashi_vault_extra_container_volumes: "{{ default_container_extra_volumes | union(extra_vault_container_volumes) | unique }}"