diff --git a/npm/pkg/dataplane/policies/policy_windows.go b/npm/pkg/dataplane/policies/policy_windows.go
index 1e469d1d00..0774d270f3 100644
--- a/npm/pkg/dataplane/policies/policy_windows.go
+++ b/npm/pkg/dataplane/policies/policy_windows.go
@@ -119,7 +119,7 @@ func (acl *ACLPolicy) checkIPSets() bool {
 			return false
 		}
 
-		if set.MatchType != "src" && set.MatchType != "dst" {
+		if !set.hasKnownMatchType() {
 			return false
 		}
 	}
@@ -128,7 +128,7 @@ func (acl *ACLPolicy) checkIPSets() bool {
 			return false
 		}
 
-		if set.MatchType != "src" && set.MatchType != "dst" {
+		if !set.hasKnownMatchType() {
 			return false
 		}
 	}