diff --git a/windows_kext/release/templates/PortmasterKext64.inf b/windows_kext/release/templates/PortmasterKext64.inf
index 796e46f8..d7d39022 100644
--- a/windows_kext/release/templates/PortmasterKext64.inf
+++ b/windows_kext/release/templates/PortmasterKext64.inf
@@ -25,6 +25,7 @@ ClassGuid = {57465043-616C-6C6F-7574-5F636C617373}
 Provider = %Provider%
 CatalogFile = PortmasterKext64.Cat
 DriverVer = {{date}},{{version}}
+PnpLockdown=1
 
 [SourceDisksNames]
 1 = %DiskName%