diff --git a/src/main/java/io/kamax/mxisd/config/ldap/LdapConfig.java b/src/main/java/io/kamax/mxisd/config/ldap/LdapConfig.java
index 3211499..565ed08 100644
--- a/src/main/java/io/kamax/mxisd/config/ldap/LdapConfig.java
+++ b/src/main/java/io/kamax/mxisd/config/ldap/LdapConfig.java
@@ -162,11 +162,14 @@ public class LdapConfig {
             throw new IllegalStateException("LDAP port is not valid");
         }
 
+        if (StringUtils.isBlank(conn.getBaseDn())) {
+            throw new ConfigurationException("ldap.connection.baseDn");
+        }
+
         if (StringUtils.isBlank(attribute.getUid().getType())) {
             throw new IllegalStateException("Attribute UID Type cannot be empty");
         }
 
-
         if (StringUtils.isBlank(attribute.getUid().getValue())) {
             throw new IllegalStateException("Attribute UID value cannot be empty");
         }