diff --git a/glpi-start.sh b/glpi-start.sh
index 5c6afb6..0592e37 100644
--- a/glpi-start.sh
+++ b/glpi-start.sh
@@ -16,10 +16,16 @@ FOLDER_GLPI=glpi/
 FOLDER_WEB=/var/www/html/
 
 #check if TLS_REQCERT is present
+if [ ! -f /etc/ldap/ldapd.conf ]
+then
+	echo "The file /etc/ldap/ldap.conf does not exit"
+	apt update && apt install -y libldap-2.4-2 libldap-common libsasl2-2 libsasl2-modules libsasl2-modules-db
+fi
+
 if !(grep -q "TLS_REQCERT" /etc/ldap/ldap.conf)
 then
 	echo "TLS_REQCERT isn't present"
-        echo -e "TLS_REQCERT\tnever" >> /etc/ldap/ldap.conf
+    echo -e "TLS_REQCERT\tnever" >> /etc/ldap/ldap.conf
 fi
 
 #Téléchargement et extraction des sources de GLPI