fix #985: add correct clusterroles for knative in global mode
diff --git a/pkg/install/operator.go b/pkg/install/operator.go
index e5cfc64..27580f3 100644
--- a/pkg/install/operator.go
+++ b/pkg/install/operator.go
@@ -122,7 +122,7 @@
 		return err
 	}
 	if isKnative {
-		return installKnative(ctx, c, cfg.Namespace, collection)
+		return installKnative(ctx, c, cfg.Namespace, customizer, collection)
 	}
 	return nil
 }
@@ -145,8 +145,8 @@
 	)
 }
 
-func installKnative(ctx context.Context, c client.Client, namespace string, collection *kubernetes.Collection) error {
-	return ResourcesOrCollect(ctx, c, namespace, collection, IdentityResourceCustomizer,
+func installKnative(ctx context.Context, c client.Client, namespace string, customizer ResourceCustomizer, collection *kubernetes.Collection) error {
+	return ResourcesOrCollect(ctx, c, namespace, collection, customizer,
 		"operator-role-knative.yaml",
 		"operator-role-binding-knative.yaml",
 	)