diff --git a/kitty/child-monitor.c b/kitty/child-monitor.c
index 4d0a76b53..6ac645b38 100644
--- a/kitty/child-monitor.c
+++ b/kitty/child-monitor.c
@@ -1374,7 +1374,13 @@ close_os_window(ChildMonitor *self, OSWindow *os_window) {
     if (os_window->handle && !global_state.is_wayland) glfwGetWindowPos(os_window->handle, &x, &y);
     bool is_layer_shell = os_window->is_layer_shell;
     bool was_maximized = false;
-    if (os_window->handle && !is_layer_shell) { was_maximized = glfwGetWindowAttrib(os_window->handle, GLFW_MAXIMIZED) != 0; }
+    if (os_window->handle && !is_layer_shell) {
+        if (os_window->before_fullscreen.is_set && is_os_window_fullscreen(os_window)) {
+            was_maximized = os_window->before_fullscreen.was_maximized;
+        } else {
+            was_maximized = glfwGetWindowAttrib(os_window->handle, GLFW_MAXIMIZED) != 0;
+        }
+    }
     destroy_os_window(os_window);
     call_boss(on_os_window_closed, "KiiiiOO", os_window->id, x, y, w, h, was_maximized ? Py_True : Py_False, is_layer_shell ? Py_True : Py_False);
     for (size_t t = 0; t < os_window->num_tabs; t++) {