diff --git a/README.md b/README.md
index 662c210..5aa0041 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,7 @@
   - Hardened compilation configuration
   - Bundled with [hardened_malloc](https://github.com/GrapheneOS/hardened_malloc)
   - Uses Mullvad's adblock DNS-over-HTTPS to provide Encrypted Client Hello
+  - JIT disabled by default
   - More to come
 
 ## Building
diff --git a/settings/omegafox.cfg b/settings/omegafox.cfg
index 0652aec..eeca122 100644
--- a/settings/omegafox.cfg
+++ b/settings/omegafox.cfg
@@ -675,4 +675,9 @@ defaultPref("network.http.sendRefererHeader", 0);
 defaultPref("network.http.referer.trimmingPolicy", 2);
 defaultPref("network.http.referer.XOriginTrimmingPolicy", 2);
 defaultPref("network.http.referer.XOriginPolicy", 2);
-defaultPref("network.http.referer.defaultPolicy", 0);
\ No newline at end of file
+defaultPref("network.http.referer.defaultPolicy", 0);
+
+// Disable JIT by default
+defaultPref("javascript.options.baselinejit", false);
+defaultPref("javascript.options.ion", false);
+defaultPref("javascript.options.warp", false);
\ No newline at end of file