From 3c1108c5dc89e6c48d4e75683e1e3cb9ff8e096e Mon Sep 17 00:00:00 2001
From: Kevin Litchfield <kevinlitchfield@users.noreply.github.com>
Date: Wed, 15 Feb 2017 15:23:47 -0500
Subject: [PATCH] fix: Set MuteButton controlText correctly (#4056)

---
 src/js/control-bar/mute-toggle.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/js/control-bar/mute-toggle.js b/src/js/control-bar/mute-toggle.js
index 157bb443d..694139da9 100644
--- a/src/js/control-bar/mute-toggle.js
+++ b/src/js/control-bar/mute-toggle.js
@@ -88,7 +88,8 @@ class MuteToggle extends Button {
     // Don't rewrite the button text if the actual text doesn't change.
     // This causes unnecessary and confusing information for screen reader users.
     // This check is needed because this function gets called every time the volume level is changed.
-    const toMute = this.player_.muted() ? 'Unmute' : 'Mute';
+    const soundOff = this.player_.muted() || this.player_.volume() === 0;
+    const toMute = soundOff ? 'Unmute' : 'Mute';
 
     if (this.controlText() !== toMute) {
       this.controlText(toMute);