diff --git a/Sources/NSUI/ViewControllerRepresentable.swift b/Sources/NSUI/ViewControllerRepresentable.swift
index 52348f2..1d8d63f 100644
--- a/Sources/NSUI/ViewControllerRepresentable.swift
+++ b/Sources/NSUI/ViewControllerRepresentable.swift
@@ -1,7 +1,7 @@
 import SwiftUI
 
 #if canImport(AppKit) && !targetEnvironment(macCatalyst)
-public protocol NSUIViewControllerRepresentable: NSViewControllerRepresentable {
+public protocol NSUIViewControllerRepresentable: NSViewControllerRepresentable where NSViewControllerType == NSUIViewControllerType {
 	associatedtype NSUIViewControllerType: NSUIViewController
 
 	@MainActor
@@ -42,7 +42,7 @@ public extension NSUIViewControllerRepresentable {
 }
 
 #elseif canImport(UIKit)
-public protocol NSUIViewControllerRepresentable: UIViewControllerRepresentable {
+public protocol NSUIViewControllerRepresentable: UIViewControllerRepresentable where UIViewControllerType == NSUIViewControllerType {
 	associatedtype NSUIViewControllerType: NSUIViewController
 
 	@MainActor
@@ -75,6 +75,7 @@ public extension NSUIViewControllerRepresentable {
 		Self.dismantleNSUIViewController(viewController, coordinator: coordinator)
 	}
 
+	@available(iOS 16.0, tvOS 16.0, *)
 	@MainActor
 	func sizeThatFits(
 		_ proposal: ProposedViewSize,
diff --git a/Tests/NSUITests/ViewControllerRepresentableTests.swift b/Tests/NSUITests/ViewControllerRepresentableTests.swift
index d7ec6b7..5fe3509 100644
--- a/Tests/NSUITests/ViewControllerRepresentableTests.swift
+++ b/Tests/NSUITests/ViewControllerRepresentableTests.swift
@@ -3,13 +3,11 @@ import NSUI
 
 @MainActor
 struct RepresentedViewController: NSUIViewControllerRepresentable {
-	typealias NSUIViewControllerType = NSUIViewController
-
-	func makeNSUIViewController(context: Context) -> NSUIViewControllerType {
+	func makeNSUIViewController(context: Context) -> NSUIViewController {
 		NSUIViewControllerType(nibName: nil, bundle: nil)
 	}
 
-	func updateNSUIViewController(_ viewController: NSUIViewControllerType, context: Context) {
+	func updateNSUIViewController(_ viewController: NSUIViewController, context: Context) {
 	}
 
 	final class Coordinator {}
diff --git a/Tests/NSUITests/ViewRepresentableTests.swift b/Tests/NSUITests/ViewRepresentableTests.swift
index 397e9a2..1e42ca4 100644
--- a/Tests/NSUITests/ViewRepresentableTests.swift
+++ b/Tests/NSUITests/ViewRepresentableTests.swift
@@ -1,10 +1,8 @@
 import XCTest
-@testable import NSUI
+import NSUI
 
 @MainActor
 struct RepresentedView: NSUIViewRepresentable {
-	typealias NSUIViewType = NSUIView
-	
 	func makeNSUIView(context: Context) -> NSUIView {
 		NSUIView()
 	}