diff --git a/src/backend/wayland/wl_xdg.c b/src/backend/wayland/wl_xdg.c
index cabd0e6..173ed30 100644
--- a/src/backend/wayland/wl_xdg.c
+++ b/src/backend/wayland/wl_xdg.c
@@ -402,7 +402,15 @@ handle_toplevel_unmap(struct wl_listener *listener, void *data)
         WObjDescriptor *desc = wm_backend->context_find(view->id, WM_CTX_CLIENT_WIN);
         if (desc && desc->parent_type == WCLASS_WINDOW) {
             WWindow *wwin = (WWindow *)desc->parent;
+            WNativeWindow main_win = wwin->main_window;
             wwin->flags.destroyed = 1;
+            /* Destroy app BEFORE unmanage so wApplicationDestroy can
+             * still access main_window_desc (which unmanage frees). */
+            WApplication *app = wApplicationOf(main_win);
+            if (app) {
+                app->refcount = 0;
+                wApplicationDestroy(app);
+            }
             wUnmanageWindow(wwin, False, True);
         }
     }