diff --git a/whispering/cli.py b/whispering/cli.py
index 548412b..e8d02a6 100644
--- a/whispering/cli.py
+++ b/whispering/cli.py
@@ -206,7 +206,7 @@ def get_opts() -> argparse.Namespace:
 def get_wshiper(*, opts) -> WhisperStreamingTranscriber:
     config = WhisperConfig(
         model_name=opts.model,
-        language=opts.language if opts.language == MULTI_LANGUAGE else None,
+        language=None if opts.language == MULTI_LANGUAGE else opts.language,
         device=opts.device,
     )