diff --git a/src/ncurses_ui.cc b/src/ncurses_ui.cc
index 8c402fab..8f6e195f 100644
--- a/src/ncurses_ui.cc
+++ b/src/ncurses_ui.cc
@@ -304,6 +304,8 @@ void NCursesUI::Window::destroy()
 {
     delwin(win);
     win = nullptr;
+    pos = CharCoord{};
+    size = CharCoord{};
 }
 
 void NCursesUI::Window::refresh()