diff --git a/index.sh b/index.sh
index 43fc5b0..91057a8 100644
--- a/index.sh
+++ b/index.sh
@@ -5,6 +5,7 @@ set -e
 org_name="Theta42"
 domain="theta42.com"
 password=$1
+ldap_base="dc=theta42,dc=com"
 
 echo "slapd slapd/internal/adminpw string $password" | debconf-set-selections
 echo "slapd slapd/password1 string $password" | debconf-set-selections
@@ -23,7 +24,7 @@ echo "slapd slapd/invalid_config boolean true" | debconf-set-selections
 apt install -y slapd ldap-utils
 
 echo '' > /etc/ldap/ldap.conf
-echo 'BASE   dc=theta42,dc=com' >> /etc/ldap/ldap.conf
+echo 'BASE   $ldap_base' >> /etc/ldap/ldap.conf
 echo 'URI    ldap://localhost' >> /etc/ldap/ldap.conf
 
 ldapadd -Y EXTERNAL -H ldapi:/// -f files/sshkey.ldif