diff --git a/video/out/cocoa_cb_common.swift b/video/out/cocoa_cb_common.swift
index 38540a2040..2ca844184c 100644
--- a/video/out/cocoa_cb_common.swift
+++ b/video/out/cocoa_cb_common.swift
@@ -262,6 +262,7 @@ class CocoaCB: Common, EventSubscriber {
 
         uninit()
         uninitCommon()
+        window = nil
 
         layer?.lockCglContext()
         libmpv.uninit()