diff --git a/sidecar/transcriber.py b/sidecar/transcriber.py
index afe0334..2537b24 100644
--- a/sidecar/transcriber.py
+++ b/sidecar/transcriber.py
@@ -683,7 +683,7 @@ class Transcriber:
 
 
 def main():
-    model_size = os.environ.get("WHISPER_MODEL", "small")
+    model_size = os.environ.get("WHISPER_MODEL", "medium")
     device = os.environ.get("WHISPER_DEVICE", "cpu")
     compute_type = os.environ.get("WHISPER_COMPUTE", "int8")