--- a/ui/qt/window.cpp	Mon May 18 21:29:56 2026 +0200
+++ b/ui/qt/window.cpp	Tue May 19 18:10:13 2026 +0200
@@ -43,7 +43,6 @@
 
 static UiObject* create_window(const char *title, bool simple, bool sidebar = false) {
     UiObject *obj = uic_object_new_toplevel();
-    obj->next = NULL;
     
     QMainWindow *window = new QMainWindow();
     window->setWindowTitle(title);