diff --git a/ldap_frontend/helpers/ldap.py b/ldap_frontend/helpers/ldap.py
index 0c5fa73..f3e8db2 100644
--- a/ldap_frontend/helpers/ldap.py
+++ b/ldap_frontend/helpers/ldap.py
@@ -83,6 +83,9 @@ def connect(user=None, password=None):
     )
     conn.bind()
 
+    if conn.result["result"] != 0:
+        raise LDAPException(conn.result["description"])
+
     return conn