diff --git a/src/main.rs b/src/main.rs
index e109175..b0762da 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -32,6 +32,8 @@ fn main() -> Result<(), eframe::Error> {
 
 #[derive(Debug, Copy, Clone, Serialize, Deserialize)]
 struct Options {
+    #[serde(default = "Options::default_mute")]
+    mute: bool,
     #[serde(default = "Options::default_fan_enabled")]
     fan_enabled: bool,
     #[serde(default = "Options::default_volume")]
@@ -39,6 +41,9 @@ struct Options {
 }
 
 impl Options {
+    fn default_mute() -> bool {
+        false
+    }
     fn default_fan_enabled() -> bool {
         true
     }
@@ -61,11 +66,15 @@ struct AltairEmulator {
 impl AltairEmulator {
     fn new(cc: &eframe::CreationContext<'_>, audio_tx: Sender<AudioMessage>) -> Self {
         let options = if cc.storage.unwrap().get_string("options").is_none() {
-            Options { fan_enabled: true, volume: 1.0 }
+            Options { mute: false, fan_enabled: true, volume: 1.0 }
         } else {
             eframe::get_value(cc.storage.unwrap(), "options").unwrap()
         };
-        audio_tx.send(AudioMessage::SetVolume(options.volume)).unwrap();
+        if options.mute {
+            audio_tx.send(AudioMessage::SetVolume(0.0)).unwrap();
+        } else {
+            audio_tx.send(AudioMessage::SetVolume(options.volume)).unwrap();
+        }
         let mut mem = [0; 65536];
         let cpu = I8080::new();
         rand::thread_rng().fill_bytes(&mut mem);
@@ -300,7 +309,11 @@ impl eframe::App for AltairEmulator {
             if option_window.draw(ctx, &mut self.options) {
                 self.option_window = None;
             }
-            self.audio_tx.send(AudioMessage::SetVolume(self.options.volume)).unwrap();
+            if self.options.mute {
+                self.audio_tx.send(AudioMessage::SetVolume(0.0)).unwrap();
+            } else {
+                self.audio_tx.send(AudioMessage::SetVolume(self.options.volume)).unwrap();
+            }
         }
         if (old_fan_enabled != self.options.fan_enabled) && self.fp_state.power() {
             if self.options.fan_enabled {
@@ -344,6 +357,7 @@ impl OptionWindow {
             });
             match self.category {
                 OptionsCategory::General => {
+                    ui.checkbox(&mut self.options.mute, "Mute");
                     ui.checkbox(&mut self.options.fan_enabled, "Fan enabled");
                     ui.add(Slider::new(&mut self.options.volume, 0.0..=100.0).text("Volume"));
                 }