diff --git a/hcn/hcnpolicy.go b/hcn/hcnpolicy.go
index <HASH>..<HASH> 100644
--- a/hcn/hcnpolicy.go
+++ b/hcn/hcnpolicy.go
@@ -167,10 +167,10 @@ type L4ProxyPolicySetting struct {
 	OutboundNat   bool     `json:",omitempty"`
 
 	// For the WFP proxy
-	FilterTuple          FiveTuple `json:",omitempty"`
-	ProxyType            ProxyType `json:",omitempty"`
-	UserSID              string    `json:",omitempty"`
-	NetworkCompartmentID uint32    `json:",omitempty"`
+	FilterTuple   FiveTuple `json:",omitempty"`
+	ProxyType     ProxyType `json:",omitempty"`
+	UserSID       string    `json:",omitempty"`
+	CompartmentID uint32    `json:",omitempty"`
 }
 
 // PortnameEndpointPolicySetting sets the port name for an endpoint.
Use the right field name in L4ProxyPolicySetting

WFP expects the field "CompartmentID", not "NetworkCompartmentID".
Passing the wrong field causes it to be silently ignored, but the proxy
would be misconfigured.