diff --git a/Plugins/LdapPlugin/Ldap/LdapServer.cs b/Plugins/LdapPlugin/Ldap/LdapServer.cs
index c541f6f5..38ca2442 100755
--- a/Plugins/LdapPlugin/Ldap/LdapServer.cs
+++ b/Plugins/LdapPlugin/Ldap/LdapServer.cs
@@ -268,7 +268,7 @@ private bool VerifyCert(LdapConnection conn, X509Certificate cert)
             {
                 try
                 {
-                    X509Store certStore = new X509Store(StoreLocation.LocalMachine);
+                    X509Store certStore = new X509Store(StoreName.Root, StoreLocation.LocalMachine);
                     certStore.Open(OpenFlags.ReadOnly);
                     if (certStore.Certificates.Contains(cert))
                         return true;