diff --git a/html/src/app.js b/html/src/app.js
index ccb6439b..7a209e1b 100644
--- a/html/src/app.js
+++ b/html/src/app.js
@@ -5723,6 +5723,7 @@ speechSynthesis.getVoices();
     $app.data.TTSvoices = speechSynthesis.getVoices();
     var saveNotificationTTS = function () {
         configRepository.setBool('VRCX_notificationTTS', this.notificationTTS);
+        speechSynthesis.cancel();
         if (this.notificationTTS) {
             this.speak('Notification text-to-speech enabled');
         }
@@ -5866,6 +5867,7 @@ speechSynthesis.getVoices();
         configRepository.setString('VRCX_notificationTTSVoice', this.notificationTTSVoice);
         var voices = speechSynthesis.getVoices();
         var voiceName = voices[index].name;
+        speechSynthesis.cancel();
         this.speak(voiceName);
     };