diff --git a/dotfiles/firefox.js b/dotfiles/firefox.js
index 995dcb5..0a4f068 100644
--- a/dotfiles/firefox.js
+++ b/dotfiles/firefox.js
@@ -4,7 +4,8 @@
 // Theme
 user_pref("extensions.activeThemeID", "firefox-compact-dark@mozilla.org");
 user_pref("devtools.theme", "dark");
-user_pref("ui.systemUsesDarkTheme", 0);
+user_pref("ui.systemUsesDarkTheme", 1);
+user_pref("layout.css.prefers-color-scheme.content-override", 1); // light
 
 // Ensure context menus stay open after left-click (useful when scale
 // == 1.5)