diff --git a/common/lib/xmodule/xmodule/js/src/video/09_video_caption.js b/common/lib/xmodule/xmodule/js/src/video/09_video_caption.js
index ebb8bfde43..26c0b4048c 100644
--- a/common/lib/xmodule/xmodule/js/src/video/09_video_caption.js
+++ b/common/lib/xmodule/xmodule/js/src/video/09_video_caption.js
@@ -154,8 +154,8 @@ function () {
 
         if ((this.videoType === 'html5') && (this.config.autohideHtml5)) {
             this.el.on({
-                mousemove, this.videoCaption.autoShowCaptions,
-                keydown, this.videoCaption.autoShowCaptions
+                mousemove: this.videoCaption.autoShowCaptions,
+                keydown: this.videoCaption.autoShowCaptions
             });
 
             // Moving slider on subtitles is not a mouse move, but captions and