diff --git a/backend/main.py b/backend/main.py
index 40a68d5..6b11684 100644
--- a/backend/main.py
+++ b/backend/main.py
@@ -94,7 +94,7 @@ async def gemini_voice_ws(websocket: WebSocket):
             "setup": {
                 "model": GEMINI_MODEL,
                 "generationConfig": {
-                    "responseModalities": ["AUDIO", "TEXT"],
+                    "responseModalities": ["AUDIO"],
                     "speechConfig": {
                         "voiceConfig": {
                             "prebuiltVoiceConfig": {