diff --git a/lib/utils/transcription-utils.js b/lib/utils/transcription-utils.js
index 7ba7cc16..91ca96df 100644
--- a/lib/utils/transcription-utils.js
+++ b/lib/utils/transcription-utils.js
@@ -28,6 +28,7 @@ const stickyVars = {
     'AZURE_SERVICE_ENDPOINT_ID',
     'AZURE_REQUEST_SNR',
     'AZURE_PROFANITY_OPTION',
+    'AZURE_SPEECH_ALTERNATIVE_LANGUAGE_CODES',
     'AZURE_SERVICE_ENDPOINT',
     'AZURE_INITIAL_SPEECH_TIMEOUT_MS',
     'AZURE_USE_OUTPUT_FORMAT_DETAILED',