diff --git a/openvpn/templates/auth-ldap.pl.j2 b/openvpn/templates/auth-ldap.pl.j2
index 8bd14aed..12ec8251 100644
--- a/openvpn/templates/auth-ldap.pl.j2
+++ b/openvpn/templates/auth-ldap.pl.j2
@@ -31,7 +31,7 @@ $ldap = Net::LDAP->new($opt_uri) or die("LDAP connect to $opt_uri failed!");
 {% endif %}
 
 {% if openvpn_ldap_nonanon_bind %}
-$result = $ldap->bind('{{ openvpn_ldap_binddn }}', password => '{{ openvpn_ldap_bindpwd }}');
+$result = $ldap->bind('{{ openvpn_ldap_binddn }}', password => '{{ openvpn_ldap_bindpwd | default('') }}');
 {% else %}
 $result = $ldap->bind($opt_binddn, password => $opt_passwd);
 {% endif %}