diff --git a/bookstack/docker-compose.yml b/bookstack/docker-compose.yml
index 8765192..5464ee7 100644
--- a/bookstack/docker-compose.yml
+++ b/bookstack/docker-compose.yml
@@ -14,7 +14,7 @@ services:
       - DB_PASS=l4c1j4yd33Du5lo
       - DB_DATABASE=bookstackapp
       - AUTH_METHOD=ldap
-      - LDAPS_SERVER=ldap://192.168.77.106:389
+      - LDAPS_SERVER=ldap://192.168.77.106:1389
       - LDAP_BASE_DN="OU=people, DC=sectorq, DC=eu"
       - LDAP_DN="CN=admin, DC=sectorq, DC=eu"
       - LDAP_PASS="l4c1j4yd33Du5lo"