diff --git a/app/code/Magento/ProductVideo/view/frontend/web/js/fotorama-add-video-events.js b/app/code/Magento/ProductVideo/view/frontend/web/js/fotorama-add-video-events.js
index c0036b71ac86ac7550b0faaa6d59f0382141cb2e..3104fdc6190dc6bf80de2e132d703246d2923fb5 100644
--- a/app/code/Magento/ProductVideo/view/frontend/web/js/fotorama-add-video-events.js
+++ b/app/code/Magento/ProductVideo/view/frontend/web/js/fotorama-add-video-events.js
@@ -207,7 +207,7 @@ define([
                 if (options.dataMergeStrategy === 'prepend') {
                     this.options.videoData = [].concat(
                         this.options.optionsVideoData[options.selectedOption],
-                        this.options.videoData
+                        this.defaultVideoData
                     );
                 } else {
                     this.options.videoData = this.options.optionsVideoData[options.selectedOption];