diff --git a/defaults/main.yml b/defaults/main.yml
index f361b8f..24e978f 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -11,7 +11,7 @@ letsencrypt_acme_user_home: /var/lib/acme
 letsencrypt_acme_git_dest_dir: '{{ letsencrypt_acme_user_home }}/acme_sh_dist'
 letsencrypt_acme_sh_user_home: '{{ letsencrypt_acme_user_home }}'
 letsencrypt_acme_sh_base_data_dir: '{{ letsencrypt_acme_sh_user_home }}/acme_data'
-letsencrypt_acme_sh_certs_data_prefix: '{{ ansible_fqdn }}'
+letsencrypt_acme_sh_certs_data_prefix: '{{ letsencrypt_acme_sh_certificates_install_dir }}'
 letsencrypt_acme_sh_certs_data_path: '{{ letsencrypt_acme_sh_base_data_dir }}/certs/{{ letsencrypt_acme_sh_certs_data_prefix }}'
 letsencrypt_acme_sh_certificates_install_dir: '{{ ansible_fqdn }}'
 letsencrypt_acme_sh_certificates_install_base_path: '{{ letsencrypt_acme_sh_user_home }}/live'