diff --git a/grzegorz/mpv.py b/grzegorz/mpv.py
index 73a713d..a0dc11d 100644
--- a/grzegorz/mpv.py
+++ b/grzegorz/mpv.py
@@ -26,6 +26,7 @@ class MPV:
         return [
             'mpv',
             f'--input-ipc-server={str(cls._ipc_endpoint)}',
+            '--pipewire-remote=/run/user/1003/pipewire-0', # Cage doesn't set up XDG variables properly?
             '--idle',
             '--force-window',
             *(('--fullscreen',) if not IS_DEBUG else ()),