diff --git a/app/audio/processor.py b/app/audio/processor.py
index 2d2870d..5952103 100644
--- a/app/audio/processor.py
+++ b/app/audio/processor.py
@@ -59,6 +59,7 @@ class AudioProcessor:
             "ffmpeg",
             "-hide_banner",
             "-loglevel", "warning",
+            "-y",
             "-i", input_path,
             "-ar", f"{audio_rate}",
             "-ac", "1",  # Монофонический звук
diff --git a/app/core/transcription_service.py b/app/core/transcription_service.py
index 627e4cc..2d0ba84 100644
--- a/app/core/transcription_service.py
+++ b/app/core/transcription_service.py
@@ -36,7 +36,7 @@ class TranscriptionService:
             Кортеж (JSON-ответ, HTTP-код).
         """
         params = params or {}
-        language = params.get('language', self.config.get('language', 'en'))
+        language = params.get('language') or self.config.get('language', 'en')
         temperature = max(0.0, min(1.0, float(params.get('temperature', 0.0))))
         prompt = params.get('prompt', '')
 
diff --git a/config.json b/config.json
index d7fa438..01debf3 100644
--- a/config.json
+++ b/config.json
@@ -1,7 +1,7 @@
 {
     "service_port": 5042,
     "model_path": "/home/text-generation/models/whisper/podlodka-turbo",
-    "language": "ru",
+    "language": "russian",
     "enable_history": true,
     "max_history_days": 30,
     "chunk_length_s": 28,