diff --git a/pkgs/applications/networking/browsers/firefox/common.nix b/pkgs/applications/networking/browsers/firefox/common.nix
index 8d8217e33a21..2244ee571b0e 100644
--- a/pkgs/applications/networking/browsers/firefox/common.nix
+++ b/pkgs/applications/networking/browsers/firefox/common.nix
@@ -113,7 +113,7 @@ stdenv.mkDerivation (rec {
     "--enable-system-sqlite"
     #"--enable-system-cairo"
     "--enable-startup-notification"
-    "--enable-content-sandbox" # available since 26.0, but not much info available
+    #"--enable-content-sandbox" # TODO: probably enable after 54
     "--disable-tests"
     "--disable-necko-wifi" # maybe we want to enable this at some point
     "--disable-updater"