From 19ba5dd48edeab71a5b84f37912dffc97dfdf3cd Mon Sep 17 00:00:00 2001
From: Zoin <zoinen@gmail.com>
Date: Wed, 29 Jul 2026 03:57:03 +0300
Subject: [PATCH] cocoawindowcontext: Skip unavailable system buttons

---
 src/core/contexts/cocoawindowcontext.mm | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/core/contexts/cocoawindowcontext.mm b/src/core/contexts/cocoawindowcontext.mm
index 857a92f..6d70409 100644
--- a/src/core/contexts/cocoawindowcontext.mm
+++ b/src/core/contexts/cocoawindowcontext.mm
@@ -601,6 +601,9 @@ void setSystemTitleBarVisible(const bool visible) {
                 
                 NSMutableArray<NSButton *> *array = [NSMutableArray arrayWithCapacity:3];
                 for (NSButton *button : self_->systemButtons()) {
+                    if (!button) {
+                        continue;
+                    }
                     button.hidden = !self_->systemButtonVisible;
                     [array addObject:button];
                 }