diff --git a/sway/.config/environment.d/99-firefox.conf b/sway/.config/environment.d/99-firefox.conf
new file mode 100644
index 0000000..18532ea
--- /dev/null
+++ b/sway/.config/environment.d/99-firefox.conf
@@ -0,0 +1,4 @@
+MOZ_USE_XINPUT2=1
+MOZ_ENABLE_WAYLAND=1
+GTK_USE_PORTAL=1
+MOZ_DBUS_REMOTE=1