diff --git a/faster_whisper/tokenizer.py b/faster_whisper/tokenizer.py
index bcc7e6c..db69cf1 100644
--- a/faster_whisper/tokenizer.py
+++ b/faster_whisper/tokenizer.py
@@ -31,6 +31,7 @@ class Tokenizer:
         else:
             self.task = None
             self.language = None
+            self.language_code = "en"
 
     @cached_property
     def sot(self) -> int: