diff --git a/video/out/mac/common.swift b/video/out/mac/common.swift
index 03d5c5bc25..8e7aab75ec 100644
--- a/video/out/mac/common.swift
+++ b/video/out/mac/common.swift
@@ -142,6 +142,7 @@ class Common: NSObject {
         view.layer = layer
         view.wantsLayer = true
         view.layerContentsPlacement = .scaleProportionallyToFit
+        layer.delegate = view
     }
 
     func initWindowState() {
diff --git a/video/out/mac/view.swift b/video/out/mac/view.swift
index a05127f0c3..89a2bc88ea 100644
--- a/video/out/mac/view.swift
+++ b/video/out/mac/view.swift
@@ -17,7 +17,7 @@
 
 import Cocoa
 
-class View: NSView {
+class View: NSView, CALayerDelegate {
     unowned var common: Common
     var mpv: MPVHelper? { get { return common.mpv } }