diff --git a/lib/tasks/transcribe.js b/lib/tasks/transcribe.js
index c8d9e48c..0be6e675 100644
--- a/lib/tasks/transcribe.js
+++ b/lib/tasks/transcribe.js
@@ -304,7 +304,7 @@ class TaskTranscribe extends SttTask {
     // make sure this is not a transcript from answering machine detection
     const bugname = fsEvent.getHeader('media-bugname');
     const finished = fsEvent.getHeader('transcription-session-finished');
-    let bufferedTranscripts = this._bufferedTranscripts[channel - 1];
+    const bufferedTranscripts = this._bufferedTranscripts[channel - 1];
     if (bugname && this.bugname !== bugname) return;
     if (this.paused) {
       this.logger.debug({evt}, 'TaskTranscribe:_onTranscription - paused, ignoring transcript');