diff --git a/elmer/diagnose.py b/elmer/diagnose.py
index 150f7ed..bbc90c5 100644
--- a/elmer/diagnose.py
+++ b/elmer/diagnose.py
@@ -9,7 +9,7 @@ DEFAULT_MODEL = "gpt-oss-20b"
 class Diagnoser:
     """Отправляет данные в DeepSeek и возвращает диагноз."""
 
-    def __init__(self, api_key: str, model: str = DEFAULT_MODEL, base_url: str = DEEPSEEK_BASE):
+    def __init__(self, api_key: str, model: str = DEFAULT_MODEL, base_url: str = DEFAULT_BASE):
         self.api_key = api_key
         self.model = model
         self.base_url = base_url.rstrip("/")