diff --git a/kitty/cocoa_window.m b/kitty/cocoa_window.m
index 658be5eda..867b21cbf 100644
--- a/kitty/cocoa_window.m
+++ b/kitty/cocoa_window.m
@@ -513,7 +513,7 @@ cocoa_hide_titlebar(void *w)
     button = [window standardWindowButton: NSWindowCloseButton];
     if (button) button.hidden = true;
     button = [window standardWindowButton: NSWindowMiniaturizeButton];
-    if (button).hidden = true;
+    if (button) button.hidden = true;
     button = [window standardWindowButton: NSWindowZoomButton];
     if (button) button.hidden = true;