diff -r 8f44450932d5 -r 066fc6df92d1 ui/common/wrapper.c
--- a/ui/common/wrapper.c	Sat May 30 21:18:29 2026 +0200
+++ b/ui/common/wrapper.c	Sun May 31 14:09:31 2026 +0200
@@ -71,6 +71,14 @@
     ui_call_mainthread(doc_unref, doc);
 }
 
+static int app_unref(void *unused) {
+    ui_app_unref();
+    return 0;
+}
+
+void ui_mainthread_app_unref() {
+    ui_call_mainthread(app_unref, NULL);
+}
 
 /* ---------------------------- UiList ---------------------------- */