diff --git a/modules/libpref/init/all.js b/modules/libpref/init/all.js
index 55302340b31e..0105119299ef 100644
--- a/modules/libpref/init/all.js
+++ b/modules/libpref/init/all.js
@@ -424,10 +424,12 @@ pref("media.videocontrols.picture-in-picture.video-toggle.min-video-secs", 45);
   pref("media.navigator.video.use_remb", true);
   #ifdef EARLY_BETA_OR_EARLIER
     pref("media.navigator.video.use_transport_cc", true);
+    pref("media.peerconnection.video.use_rtx", true);
   #else
     pref("media.navigator.video.use_transport_cc", false);
+    pref("media.peerconnection.video.use_rtx", false);
   #endif
-  pref("media.peerconnection.video.use_rtx", false);
+  pref("media.peerconnection.video.use_rtx.blocklist", "*.google.com");
   pref("media.navigator.video.use_tmmbr", false);
   pref("media.navigator.audio.use_fec", true);
   pref("media.navigator.video.red_ulpfec_enabled", false);