diff --git a/modules/UI/UI.js b/modules/UI/UI.js
index 90156f866..777e08716 100644
--- a/modules/UI/UI.js
+++ b/modules/UI/UI.js
@@ -60,6 +60,8 @@ JITSI_TRACK_ERROR_TO_MESSAGE_KEY_MAP.camera[TrackErrors.NOT_FOUND]
     = "dialog.cameraNotFoundError";
 JITSI_TRACK_ERROR_TO_MESSAGE_KEY_MAP.camera[TrackErrors.CONSTRAINT_FAILED]
     = "dialog.cameraConstraintFailedError";
+JITSI_TRACK_ERROR_TO_MESSAGE_KEY_MAP.camera[TrackErrors.NO_DATA_FROM_SOURCE]
+    = "dialog.cameraNotSendingData";
 JITSI_TRACK_ERROR_TO_MESSAGE_KEY_MAP.microphone[TrackErrors.GENERAL]
     = "dialog.micUnknownError";
 JITSI_TRACK_ERROR_TO_MESSAGE_KEY_MAP.microphone[TrackErrors.PERMISSION_DENIED]
@@ -68,6 +70,8 @@ JITSI_TRACK_ERROR_TO_MESSAGE_KEY_MAP.microphone[TrackErrors.NOT_FOUND]
     = "dialog.micNotFoundError";
 JITSI_TRACK_ERROR_TO_MESSAGE_KEY_MAP.microphone[TrackErrors.CONSTRAINT_FAILED]
     = "dialog.micConstraintFailedError";
+JITSI_TRACK_ERROR_TO_MESSAGE_KEY_MAP.microphone[TrackErrors.NO_DATA_FROM_SOURCE]
+    = "dialog.micNotSendingData";
 
 /**
  * Prompt user for nickname.