diff --git a/librewolf/prefs.js b/librewolf/prefs.js
index c0e0423..3bd675d 100644
--- a/librewolf/prefs.js
+++ b/librewolf/prefs.js
@@ -8,3 +8,4 @@ user_pref("toolkit.legacyUserProfileCustomizations.stylesheets", true);
 user_pref("browser.compactmode.show", true);
 user_pref("privacy.sanitize.sanitizeOnShutdown", false);
 user_pref("browser.toolbars.bookmarks.visibility", "never");
+user_pref("xpinstall.signatures.required", false);