diff --git a/src/segment-loader.js b/src/segment-loader.js
index 5d8e5c3ab..8c1a3f249 100644
--- a/src/segment-loader.js
+++ b/src/segment-loader.js
@@ -1146,6 +1146,11 @@ export default class SegmentLoader extends videojs.EventTarget {
       this.transmuxer_.postMessage({
         action: 'clearAllMp4Captions'
       });
+
+      // reset the cache in the transmuxer
+      this.transmuxer_.postMessage({
+        action: 'reset'
+      });
     }
   }