diff --git a/scripts/multi_ldap_change.php b/scripts/multi_ldap_change.php
index 68615ead..4e88bc9f 100644
--- a/scripts/multi_ldap_change.php
+++ b/scripts/multi_ldap_change.php
@@ -76,7 +76,10 @@
 
     # Get user DN
     $entry = ldap_first_entry($ldap, $search);
-    $userdn = ldap_get_dn($ldap, $entry);
+    $userdn = null;
+    if ( $entry ) {
+        $userdn = ldap_get_dn($ldap, $entry);
+    }
 
     if( !$userdn ) {
         $result = "badcredentials";