diff --git a/core/pkg/opaprocessor/utils.go b/core/pkg/opaprocessor/utils.go
index 243888a7..eeca1eb0 100644
--- a/core/pkg/opaprocessor/utils.go
+++ b/core/pkg/opaprocessor/utils.go
@@ -115,7 +115,7 @@ var imageNameNormalizeDefinition = func(bctx rego.BuiltinContext, a *ast.Term) (
 
 var unauthenticatedServiceDeclaration = &rego.Function{
 	Name:    "networkscanner.unauthenticated_service",
-	Decl:    types.NewFunction(types.Args(types.S), types.B),
+	Decl:    types.NewFunction(types.Args(types.S, types.A), types.B),
 	Memoize: true,
 }