diff --git a/subgen.py b/subgen.py
index 1e7f498..dc5047c 100644
--- a/subgen.py
+++ b/subgen.py
@@ -66,7 +66,7 @@ reload_script_on_change = convert_to_bool(os.getenv('RELOAD_SCRIPT_ON_CHANGE', F
 lrc_for_audio_files = convert_to_bool(os.getenv('LRC_FOR_AUDIO_FILES', True))
 custom_regroup = os.getenv('CUSTOM_REGROUP', 'cm_sl=84_sl=42++++++1')
 detect_language_length = int(os.getenv('DETECT_LANGUAGE_LENGTH', 30))
-detect_language_offset = int(os.getenv('DETECT_LANGUAGE_START_OFFSET', 0))
+detect_language_offset = int(os.getenv('DETECT_LANGUAGE_OFFSET', 0))
 skipifexternalsub = convert_to_bool(os.getenv('SKIPIFEXTERNALSUB', False))
 skip_if_to_transcribe_sub_already_exist = convert_to_bool(os.getenv('SKIP_IF_TO_TRANSCRIBE_SUB_ALREADY_EXIST', True))
 skipifinternalsublang = LanguageCode.from_string(os.getenv('SKIPIFINTERNALSUBLANG', ''))