diff --git a/lib/ads/client_side_ad_manager.js b/lib/ads/client_side_ad_manager.js
index 3ee5792268..47346951cf 100644
--- a/lib/ads/client_side_ad_manager.js
+++ b/lib/ads/client_side_ad_manager.js
@@ -212,9 +212,9 @@ shaka.ads.ClientSideAdManager = class {
       // seen the ads actually play until requestAds() is called.
       // Note: We listen for a play event to avoid autoplay issues that might
       // crash IMA.
-      this.video_.addEventListener('play', () => {
+      this.eventManager_.listenOnce(this.video_, 'play', () => {
         this.imaAdsManager_.start();
-      }, {once: true});
+      });
     } catch (adError) {
       // If there was a problem with the VAST response,
       // we we won't be getting an ad. Hide ad UI if we showed it already