diff --git a/src/backend/wayland/wl_backend.c b/src/backend/wayland/wl_backend.c
index 379abeb..34fe921 100644
--- a/src/backend/wayland/wl_backend.c
+++ b/src/backend/wayland/wl_backend.c
@@ -9799,7 +9799,15 @@ static void wl_noop_appmenu_send(WNativeWindow window, int what, int tag)
 { (void)window; (void)what; (void)tag; }
 
 static const char *wl_display_get_name(const char *name)
-{ (void)name; return "wayland-0"; }
+{
+    /* For X11 clients launched under XWayland, return the XWayland display.
+     * For native Wayland clients, DON'T set DISPLAY (they use WAYLAND_DISPLAY).
+     * Fallback: return the Wayland display name for backward compatibility. */
+    (void)name;
+    if (wl_state.xwayland && wl_state.xwayland->display_name)
+        return wl_state.xwayland->display_name;
+    return "wayland-0";
+}
 
 static void wl_noop_switchpanel_send_enter(WNativeWindow info_win, WNativeWindow window)
 { (void)info_win; (void)window; }