diff --git a/lib/player.js b/lib/player.js
index 091b833ebe..e103c32cf6 100644
--- a/lib/player.js
+++ b/lib/player.js
@@ -1321,9 +1321,8 @@ shaka.Player = class extends shaka.util.FakeEventTarget {
     }
 
     if (this.adManager_) {
-      // The ad manager is specific to the video, so dispose of it.
+      // The ad manager is specific to the video, so detach it too.
       this.adManager_.release();
-      this.adManager_ = null;
     }
 
     // Clear our cached copy of the media element.