diff --git a/src/invent.c b/src/invent.c
index ee2bbd875..0808a51c3 100644
--- a/src/invent.c
+++ b/src/invent.c
@@ -2031,6 +2031,7 @@ char avoidlet;
         free((genericptr_t)selected);
         } else
         ret = !n ? '\0' : '\033';	/* cancelled */
+	destroy_nhwindow(win);
     }
     return ret;
 }