diff --git a/frontend/js/app.js b/frontend/js/app.js
index 7a44719..689a2b7 100644
--- a/frontend/js/app.js
+++ b/frontend/js/app.js
@@ -319,7 +319,7 @@ async function initializeDialogEditor() {
 
             // --- NEW: Per-line Play button ---
             const playBtn = document.createElement('button');
-            playBtn.innerHTML = '▶️';
+            playBtn.innerHTML = '⏵';
             playBtn.title = item.audioUrl ? 'Play generated audio' : 'No audio generated yet';
             playBtn.className = 'play-line-btn';
             playBtn.disabled = !item.audioUrl;