diff --git a/homes/jacek/gui/firefox.nix b/homes/jacek/gui/firefox.nix
index c2ffec5..b6c2701 100644
--- a/homes/jacek/gui/firefox.nix
+++ b/homes/jacek/gui/firefox.nix
@@ -322,6 +322,9 @@
                         "extensions.webcompat.enable_shims" = true;
                         "security.tls.version.enable-deprecated" = false;
                         "extensions.webcompat-reporter.enabled" = false;
+
+                        "gfx.webrender.all" = true;
+                        "media.ffmpeg.vaapi.enabled" = true;
                     };
                 };
             };