diff --git a/Modules/VMware.vSphere.SsoAdmin/IdentitySource.ps1 b/Modules/VMware.vSphere.SsoAdmin/IdentitySource.ps1
index c0bc665..d757496 100644
--- a/Modules/VMware.vSphere.SsoAdmin/IdentitySource.ps1
+++ b/Modules/VMware.vSphere.SsoAdmin/IdentitySource.ps1
@@ -363,7 +363,7 @@ function Add-LDAPIdentitySource {
             ValueFromPipeline = $false,
             ValueFromPipelineByPropertyName = $false,
             HelpMessage = 'Ldap Server type')]
-        [ValidateSet('ActiveDirectory')]
+        [ValidateSet('ActiveDirectory', 'OpenLdap')]
         [string]
         $ServerType = 'ActiveDirectory',