diff --git a/src/domains/chat/services/chatService.js b/src/domains/chat/services/chatService.js
index 4d33f82..cdf9372 100644
--- a/src/domains/chat/services/chatService.js
+++ b/src/domains/chat/services/chatService.js
@@ -75,8 +75,8 @@ export const messageService = {
 // 음성 API
 export const voiceService = {
   // TTS 변환
-  synthesize: async (text, voice = 'FEMALE') => {
-    return chatApi.post('/chat/voice/synthesize', { text, voice })
+  synthesize: async (messageId, roomId, voice = 'FEMALE') => {
+    return chatApi.post('/chat/voice/synthesize', { messageId, roomId, voice })
   },
 }
 
diff --git a/src/domains/freetalk/components/ChatRoomModal.jsx b/src/domains/freetalk/components/ChatRoomModal.jsx
index e5f6dde..6f74fe3 100644
--- a/src/domains/freetalk/components/ChatRoomModal.jsx
+++ b/src/domains/freetalk/components/ChatRoomModal.jsx
@@ -176,12 +176,12 @@ const ChatRoomModal = ({ open, onClose, room, onLeave }) => {
   }
 
   // TTS 재생 (모든 메시지에서 가능)
-  const handlePlayTTS = async (messageId, text) => {
+  const handlePlayTTS = async (messageId) => {
     if (playingTTS === messageId) return
 
     setPlayingTTS(messageId)
     try {
-      const response = await voiceService.synthesize(text, settings.ttsVoice)
+      const response = await voiceService.synthesize(messageId, room.id, settings.ttsVoice)
       const responseData = response.data || response
       if (responseData.audioUrl) {
         const audio = new Audio(responseData.audioUrl)
@@ -376,7 +376,7 @@ const ChatRoomModal = ({ open, onClose, room, onLeave }) => {
                             <>
                               <IconButton
                                 size="small"
-                                onClick={() => handlePlayTTS(message.id, message.content)}
+                                onClick={() => handlePlayTTS(message.id)}
                                 disabled={playingTTS === message.id}
                                 sx={{ p: 0.25 }}
                               >
@@ -410,7 +410,7 @@ const ChatRoomModal = ({ open, onClose, room, onLeave }) => {
                             <Box sx={{ display: 'flex', alignItems: 'center', gap: 0.25 }}>
                               <IconButton
                                 size="small"
-                                onClick={() => handlePlayTTS(message.id, message.content)}
+                                onClick={() => handlePlayTTS(message.id)}
                                 disabled={playingTTS === message.id}
                                 sx={{ p: 0.25 }}
                               >
diff --git a/src/domains/freetalk/pages/ChatRoomPage.jsx b/src/domains/freetalk/pages/ChatRoomPage.jsx
index 6a666a6..ce4257e 100644
--- a/src/domains/freetalk/pages/ChatRoomPage.jsx
+++ b/src/domains/freetalk/pages/ChatRoomPage.jsx
@@ -142,14 +142,15 @@ const ChatRoomPage = () => {
   }
 
   // TTS 재생
-  const handlePlayTTS = async (messageId, text) => {
+  const handlePlayTTS = async (messageId) => {
     if (playingTTS === messageId) return
 
     setPlayingTTS(messageId)
     try {
-      const response = await voiceService.synthesize(text)
-      if (response.audioUrl) {
-        const audio = new Audio(response.audioUrl)
+      const response = await voiceService.synthesize(messageId, roomId)
+      const responseData = response.data || response
+      if (responseData.audioUrl) {
+        const audio = new Audio(responseData.audioUrl)
         audio.onended = () => setPlayingTTS(null)
         audio.onerror = () => setPlayingTTS(null)
         await audio.play()
@@ -315,7 +316,7 @@ const ChatRoomPage = () => {
                     <Box sx={{ display: 'flex', alignItems: 'center', gap: 0.5 }}>
                       <IconButton
                         size="small"
-                        onClick={() => handlePlayTTS(message.id, message.content)}
+                        onClick={() => handlePlayTTS(message.id)}
                         disabled={playingTTS === message.id}
                         sx={{ p: 0.5 }}
                       >