diff --git a/package.json b/package.json
index 7df5012..df08f61 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "videojs-vtt-thumbnails",
-  "version": "0.0.10",
+  "version": "0.0.11",
   "description": "Display thumnails on progress bar hover, driven by external VTT files.",
   "main": "dist/videojs-vtt-thumbnails.cjs.js",
   "module": "dist/videojs-vtt-thumbnails.es.js",
diff --git a/src/plugin.js b/src/plugin.js
index 4fa8a30..64a9cd4 100644
--- a/src/plugin.js
+++ b/src/plugin.js
@@ -167,7 +167,9 @@ class vttThumbnailsPlugin {
     thumbHolder.setAttribute('class', 'vjs-vtt-thumbnail-display')
     this.progressBar.appendChild(thumbHolder)
     this.thumbnailHolder = thumbHolder
-    mouseDisplay.classList.add('vjs-hidden')
+    if(mouseDisplay) {
+      mouseDisplay.classList.add('vjs-hidden')
+    }
     this.registeredEvents.progressBarMouseEnter = () => { return this.onBarMouseenter() };
     this.registeredEvents.progressBarMouseLeave = () => { return this.onBarMouseleave() };
     this.progressBar.addEventListener('mouseenter', this.registeredEvents.progressBarMouseEnter)