diff --git a/Python/etc/nslcd.conf b/Python/etc/nslcd.conf
index 7ec3b3a..734f5a6 100644
--- a/Python/etc/nslcd.conf
+++ b/Python/etc/nslcd.conf
@@ -27,6 +27,7 @@ info["mode"] = 0600
 @
 %uri "%s" % ldap_socket
 %uri "%s" % ldap_socket2
+@tls_cacertfile /etc/ssl/certs/ca-certificates.crt
 @
 @# Le distinguished name de la base de recherche
 %base "dc=crans,dc=org"