diff --git a/UltraStar Play/Assets/Common/Audio/AudioManager.cs b/UltraStar Play/Assets/Common/Audio/AudioManager.cs
index 3346699d2..2cc8d7aab 100644
--- a/UltraStar Play/Assets/Common/Audio/AudioManager.cs	
+++ b/UltraStar Play/Assets/Common/Audio/AudioManager.cs	
@@ -14,6 +14,8 @@ public class AudioManager : MonoBehaviour
     private static readonly int criticalCacheSize = 10;
     private static readonly Dictionary<string, CachedAudioClip> audioClipCache = new Dictionary<string, CachedAudioClip>();
 
+    private static float volumeBeforeMute = -1;
+
     public static AudioManager Instance
     {
         get
@@ -22,6 +24,22 @@ public static AudioManager Instance
         }
     }
 
+    public static void ToggleMuteAudio()
+    {
+        if (volumeBeforeMute >= 0)
+        {
+            AudioListener.volume = volumeBeforeMute;
+            volumeBeforeMute = -1;
+            UiManager.Instance.CreateNotification("Unmute");
+        }
+        else
+        {
+            volumeBeforeMute = AudioListener.volume;
+            AudioListener.volume = 0;
+            UiManager.Instance.CreateNotification("Mute");
+        }
+    }
+
     // When streamAudio is false, all audio data is loaded at once in a blocking way.
     public AudioClip GetAudioClip(string path, bool streamAudio = true)
     {
diff --git a/UltraStar Play/Assets/Common/Input/GlobalKeyboardShortcutManager.cs b/UltraStar Play/Assets/Common/Input/GlobalKeyboardShortcutManager.cs
index d5f8eefab..441c3478c 100644
--- a/UltraStar Play/Assets/Common/Input/GlobalKeyboardShortcutManager.cs	
+++ b/UltraStar Play/Assets/Common/Input/GlobalKeyboardShortcutManager.cs	
@@ -20,5 +20,11 @@ void Update()
             StartCoroutine(CoroutineUtils.ExecuteAfterDelayInSeconds(0.1f,
                 () => SettingsManager.Instance.Settings.GraphicSettings.fullScreenMode = Screen.fullScreenMode));
         }
+
+        // Mute / unmute audio via F12
+        if (Input.GetKeyUp(KeyCode.F12))
+        {
+            AudioManager.ToggleMuteAudio();
+        }
     }
 }