diff --git a/.var/app/org.mozilla.firefox/.mozilla/firefox/ange/user.js b/.var/app/org.mozilla.firefox/.mozilla/firefox/ange/user.js
index b534632..23fe4f8 100644
--- a/.var/app/org.mozilla.firefox/.mozilla/firefox/ange/user.js
+++ b/.var/app/org.mozilla.firefox/.mozilla/firefox/ange/user.js
@@ -21,6 +21,7 @@ user_pref("extensions.pocket.enabled", false);
 user_pref("findbar.highlightAll", true);
 user_pref("identity.fxaccounts.enabled", false);
 user_pref("media.videocontrols.picture-in-picture.video-toggle.enabled", false);
+user_pref("media.webspeech.synth.dont_notify_on_error", true);
 user_pref("network.proxy.socks_remote_dns", true);
 user_pref("privacy.sanitize.sanitizeOnShutdown", true);
 user_pref("signon.rememberSignons", false);