diff --git a/frontend/src/components/VoiceOverlay.vue b/frontend/src/components/VoiceOverlay.vue
index 7445a30..470a648 100644
--- a/frontend/src/components/VoiceOverlay.vue
+++ b/frontend/src/components/VoiceOverlay.vue
@@ -68,6 +68,8 @@ const audio = useVoiceAudio()
 // ─── Core PTT flow ────────────────────────────────────────────────────────────
 async function startPtt() {
   if (!voiceEnabled.value || isBusy.value) return
+  // Stop any in-progress TTS playback before opening the mic
+  audio.stop()
   errorMsg.value = ''
   open.value = true
   await recorder.startRecording()
diff --git a/frontend/src/views/BriefingView.vue b/frontend/src/views/BriefingView.vue
index 9ac88b2..9dd06da 100644
--- a/frontend/src/views/BriefingView.vue
+++ b/frontend/src/views/BriefingView.vue
@@ -281,6 +281,7 @@ async function speakText(text: string) {
 // PTT: hold to record, release to transcribe and send
 async function startPtt() {
   if (!voiceEnabled.value || recorder.recording.value) return
+  audio.stop()
   await recorder.startRecording()
 }