diff --git a/app/client/ui/OpenVideoTour.ts b/app/client/ui/OpenVideoTour.ts
index 8bd230d3..1a0cc5db 100644
--- a/app/client/ui/OpenVideoTour.ts
+++ b/app/client/ui/OpenVideoTour.ts
@@ -26,6 +26,9 @@ const testId = makeTestId('test-video-tour-');
           height: '100%',
           width: '100%',
           origin: getMainOrgUrl(),
+          playerVars: {
+            rel: 0,
+          },
         },
         cssYouTubePlayer.cls(''),
       );
diff --git a/app/client/ui/YouTubePlayer.ts b/app/client/ui/YouTubePlayer.ts
index d7db5649..384f7044 100644
--- a/app/client/ui/YouTubePlayer.ts
+++ b/app/client/ui/YouTubePlayer.ts
@@ -29,6 +29,7 @@ export interface PlayerVars {
   fs?: 0 | 1;
   iv_load_policy?: 1 | 3;
   modestbranding?: 0 | 1;
+  rel?: 0 | 1;
 }
 
 export interface PlayerStateChangeEvent {