diff --git a/firefox.js b/firefox.js
index e23c8ac..089f815 100644
--- a/firefox.js
+++ b/firefox.js
@@ -51,6 +51,9 @@ user_pref("toolkit.cosmeticAnimations.enabled", false);
 // Force enable WebRender
 user_pref("gfx.webrender.all", true);
 
+// Force use of VAAPI, also need Firefox 80 and MOZ_X11_EGL=1
+// user_pref("media.ffmpeg.vaapi.enabled", true);
+
 // Lazy loading is too late on Firefox. See https://bugzilla.mozilla.org/show_bug.cgi?id=1618240
 user_pref("dom.image-lazy-loading.enabled", false);