--- a/ui/cocoa/MainWindow.m	Sun May 10 11:20:04 2026 +0200
+++ b/ui/cocoa/MainWindow.m	Wed May 13 11:57:43 2026 +0200
@@ -126,7 +126,7 @@
             [vbox.trailingAnchor constraintEqualToAnchor:content.trailingAnchor],
             [vbox.bottomAnchor constraintEqualToAnchor:content.bottomAnchor],
         ]];
-        UiContainerX *container = ui_create_container(obj, vbox);
+        UiContainer *container = ui_create_container(obj, vbox);
         vbox.container = container;
         uic_object_push_container(obj, container);
     }