diff --git a/Functions/IPAM/Address/New-NetboxIPAMAddress.ps1 b/Functions/IPAM/Address/New-NetboxIPAMAddress.ps1
index 19a4bf4..f7cca35 100644
--- a/Functions/IPAM/Address/New-NetboxIPAMAddress.ps1
+++ b/Functions/IPAM/Address/New-NetboxIPAMAddress.ps1
@@ -96,6 +96,7 @@ function New-NetboxIPAMAddress {
 
         [string]$Dns_name,
 
+        [ValidateSet('dcim.interface', 'virtualization.vminterface', IgnoreCase = $true)]
         [string]$Assigned_Object_Type,
 
         [int]$Assigned_Object_Id,