diff --git a/user.js b/user.js
index 571de19..b7d81d0 100644
--- a/user.js
+++ b/user.js
@@ -1534,6 +1534,7 @@ user_pref("privacy.resistFingerprinting", true);
 // to sanitize or clear extensions.webextensions.restrictedDomains to keep that side-effect
 // https://bugzilla.mozilla.org/buglist.cgi?bug_id=1384330,1406795,1415644,1453988 ***/
 user_pref("privacy.resistFingerprinting.block_mozAddonManager", true); // [HIDDEN PREF]
+user_pref("extensions.webextensions.restrictedDomains", "");
 // -------------------------------------
 // Enable RFP letterboxing [FF67+]
 // Dynamically resizes the inner window by applying margins in stepped ranges