--- a/dom/media/MediaDecoderStateMachine.h
+++ b/dom/media/MediaDecoderStateMachine.h
@@ -719,18 +719,17 @@ private:
     MOZ_ASSERT(OnTaskQueue());
     return !IsAudioDecoding() ||
         GetDecodedAudioDuration() >= AudioPrerollUsecs() * mPlaybackRate;
   }
 
   bool DonePrerollingVideo()
   {
     MOZ_ASSERT(OnTaskQueue());
-    return !mIsVisible ||
-        !IsVideoDecoding() ||
+    return !IsVideoDecoding() ||
         static_cast<uint32_t>(VideoQueue().GetSize()) >=
             VideoPrerollFrames() * mPlaybackRate + 1;
   }
 
   void MaybeStopPrerolling();
 
   // When we start decoding (either for the first time, or after a pause)
   // we may be low on decoded data. We don't want our "low data" logic to