diff --git a/dom/html/HTMLMediaElement.cpp b/dom/html/HTMLMediaElement.cpp index 02c65e238c70..61d50cd03238 100644 --- a/dom/html/HTMLMediaElement.cpp +++ b/dom/html/HTMLMediaElement.cpp @@ -6431,9 +6431,10 @@ void HTMLMediaElement::SuspendOrResumeElement(bool aSuspendElement) { !AutoplayPolicy::IsAllowedToPlay(*this)) { MaybeNotifyAutoplayBlocked(); } - if (mMediaControlEventListener) { - MOZ_ASSERT(!mMediaControlEventListener->IsStarted(), - "We didn't stop listening event when we were in bfcache?"); + // If we stopped listening to the event when we suspended media element, + // then we should restart to listen to the event if we haven't done so yet. + if (mMediaControlEventListener && + !mMediaControlEventListener->IsStarted()) { StartListeningMediaControlEventIfNeeded(); } }