diff --git a/src/xwindow.h b/src/xwindow.h
index 7d4d820..d0d720b 100644
--- a/src/xwindow.h
+++ b/src/xwindow.h
@@ -4,6 +4,7 @@
 #include <xcb/xproto.h>
 
 #include "action.h"
+#include "app.h"
 #include "xcursor.h"
 
 typedef struct visual_t {
@@ -17,3 +18,14 @@ void xwindow_grab_keys(xcb_window_t window, const keyboard_t *keys,
                        int keys_length);
 bool xwindow_send_event(xcb_window_t window, xcb_atom_t atom);
 void xwindow_focus(xcb_window_t window);
+
+#define xwindow_set_name_static(window, name)                    \
+  xcb_icccm_set_wm_name(wm.xcb_conn, window, XCB_ATOM_STRING, 8, \
+                        sizeof(name) - 1, name)
+#define xwindow_set_class_instance(window) \
+  xwindow_set_class_instance_static(window, APP_NAME, APP_NAME)
+#define xwindow_set_class_instance_static(window, class, instance) \
+  _xwindow_set_class_instance_static(window, instance "\0" class)
+#define _xwindow_set_class_instance_static(window, instance_class)    \
+  xcb_icccm_set_wm_class(wm.xcb_conn, window, sizeof(instance_class), \
+                         instance_class)