diff --git a/config/mozilla.cfg b/config/mozilla.cfg
index 7f3b540..f3d3fa6 100644
--- a/config/mozilla.cfg
+++ b/config/mozilla.cfg
@@ -1015,7 +1015,7 @@ lockPref("media.webspeech.synth.enabled", false);
 // lockPref("webgl.enable-debug-renderer-info", false);
 // -------------------------------------
 // Spoof
-// lockPref("dom.maxHardwareConcurrency", 2);
+defaultPref("dom.maxHardwareConcurrency", 2);
 // lockPref("font.system.whitelist", ""); // [HIDDEN PREF]
 // lockPref("general.appname.override", ""); // [HIDDEN PREF]
 // lockPref("general.appversion.override", ""); // [HIDDEN PREF]