diff --git a/roles/ldap_server/defaults/main.yml b/roles/ldap_server/defaults/main.yml
index e9b4033ba231b037dbfb6fe844d156c189ff04a3..1177a9c94dc8f378470068df78b46b950e418b11 100644
--- a/roles/ldap_server/defaults/main.yml
+++ b/roles/ldap_server/defaults/main.yml
@@ -7,8 +7,8 @@ ldap_server_domain: "{{ ansible_domain }}"
 ldap_server_int_basedn: "{{ ldap_server_domain | regex_replace('\\.', ',dc=') | regex_replace('^', 'dc=') }}"
 ldap_server_organization: "Private"
 ldap_server_log_level: 256
-ldap_server_tls_certificate: "{{ lookup('file', tls_certificate_dir + '/' ansible_fqdn + '_ldap.pem') }}"
-ldap_server_tls_key: "{{ lookup('file', tls_private_key_dir + '/' ansible_fqdn + '_ldap.key') }}"
+ldap_server_tls_certificate: "{{ lookup('file', tls_certificate_dir + '/' + ansible_fqdn + '_ldap.pem') }}"
+ldap_server_tls_key: "{{ lookup('file', tls_private_key_dir + '/' + ansible_fqdn + '_ldap.key') }}"
 ldap_server_ssf: 128
 ldap_server_consumers: []
 ldap_server_groups: []