diff --git a/backend/services/ollama_service.py b/backend/services/ollama_service.py
index 0377e82..e65f25e 100644
--- a/backend/services/ollama_service.py
+++ b/backend/services/ollama_service.py
@@ -28,7 +28,7 @@ class OllamaService:
                      or http://localhost:11434 if not set.
         """
         self.base_url = base_url or os.getenv("OLLAMA_BASE_URL", "http://localhost:11434")
-        self.model = "llama3:8b"
+        self.model = "llama3:latest"  # Using llama3:latest (8B model)
         self.timeout = 30.0  # 30 seconds timeout
         
     async def detect_speakers(self, text: str) -> List[str]: