--- a/dom/webidl/DecoderDoctorNotification.webidl
+++ b/dom/webidl/DecoderDoctorNotification.webidl
@@ -2,17 +2,18 @@
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
  * You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
 enum DecoderDoctorNotificationType {
   "cannot-play",
   "platform-decoder-not-found",
-  "can-play-but-some-missing-decoders"
+  "can-play-but-some-missing-decoders",
+  "cannot-initialize-pulseaudio",
 };
 
 dictionary DecoderDoctorNotification {
   required DecoderDoctorNotificationType type;
   // True when the issue has been solved.
   required boolean isSolved;
   // Key from dom.properties, used for telemetry and prefs.
   required DOMString decoderDoctorReportId;