diff --git a/kitty/child-monitor.c b/kitty/child-monitor.c
index 995dff90c..59954a56f 100644
--- a/kitty/child-monitor.c
+++ b/kitty/child-monitor.c
@@ -623,6 +623,7 @@ render_os_window(OSWindow *os_window, double now, unsigned int active_window_id)
     br->is_dirty = false;
     os_window->last_active_tab = os_window->active_tab; os_window->last_num_tabs = os_window->num_tabs; os_window->last_active_window_id = active_window_id;
     os_window->focused_at_last_render = os_window->is_focused;
+    os_window->is_damaged = false;
 #undef WD
 #undef TD
 }
@@ -638,7 +639,7 @@ render(double now) {
     for (size_t i = 0; i < global_state.num_os_windows; i++) {
         OSWindow *w = global_state.os_windows + i;
         if (!w->num_tabs || !should_os_window_be_rendered(w)) continue;
-        bool needs_render = w->is_focused;
+        bool needs_render = w->is_focused || w->is_damaged;
         make_os_window_context_current(w);
         if (w->viewport_size_dirty) {
             w->clear_count = 0;
diff --git a/kitty/glfw.c b/kitty/glfw.c
index 11416e00e..e6398f99d 100644
--- a/kitty/glfw.c
+++ b/kitty/glfw.c
@@ -85,6 +85,13 @@ framebuffer_size_callback(GLFWwindow *w, int width, int height) {
     global_state.callback_os_window = NULL;
 }
 
+static void
+refresh_callback(GLFWwindow *w) {
+    if (!set_callback_window(w)) return;
+    global_state.callback_os_window->is_damaged = true;
+    global_state.callback_os_window = NULL;
+}
+
 static void
 char_mods_callback(GLFWwindow *w, unsigned int codepoint, int mods) {
     if (!set_callback_window(w)) return;
@@ -363,6 +370,7 @@ create_os_window(PyObject UNUSED *self, PyObject *args) {
     glfwSetCursor(glfw_window, standard_cursor);
     update_os_window_viewport(w, false);
     glfwSetFramebufferSizeCallback(glfw_window, framebuffer_size_callback);
+    glfwSetWindowRefreshCallback(glfw_window, refresh_callback);
     glfwSetCharModsCallback(glfw_window, char_mods_callback);
     glfwSetMouseButtonCallback(glfw_window, mouse_button_callback);
     glfwSetScrollCallback(glfw_window, scroll_callback);
diff --git a/kitty/state.h b/kitty/state.h
index eb5d48071..0f68c8094 100644
--- a/kitty/state.h
+++ b/kitty/state.h
@@ -111,6 +111,7 @@ typedef struct {
     bool has_pending_resizes;
     bool is_semi_transparent;
     bool shown_once;
+    bool is_damaged;
     uint32_t offscreen_texture_id;
     unsigned int clear_count;
 } OSWindow;