diff --git a/backend/main.py b/backend/main.py
index 1a40a9d..40a68d5 100644
--- a/backend/main.py
+++ b/backend/main.py
@@ -40,7 +40,7 @@ BASE_SYSTEM_PROMPT = (
     "You are speaking out loud via voice, so keep natural conversational flow."
 )
 
-GEMINI_WS_URL = "wss://generativelanguage.googleapis.com/ws/google.ai.generativelanguage.v1beta.BidiGenerateContent"
+GEMINI_WS_URL = "wss://generativelanguage.googleapis.com/ws/google.ai.generativelanguage.v1beta.GenerativeService.BidiGenerateContent"
 GEMINI_MODEL = "models/gemini-3.1-flash-live-preview"