diff --git a/data/hooks/conf_regen/06-slapd b/data/hooks/conf_regen/06-slapd
index fdb7a36d1..852a7e9a0 100755
--- a/data/hooks/conf_regen/06-slapd
+++ b/data/hooks/conf_regen/06-slapd
@@ -31,6 +31,9 @@ do_init_regen() {
 do_pre_regen() {
   pending_dir=$1
 
+  # Add openldap user in the ssl-cert group to let it access the ceriticate for TLS
+  sudo usermod -aG ssl-cert openldap
+
   cd /usr/share/yunohost/templates/slapd
 
   # create needed directories