--- a/dom/media/MediaDecoderStateMachine.cpp
+++ b/dom/media/MediaDecoderStateMachine.cpp
@@ -487,18 +487,17 @@ MediaDecoderStateMachine::NeedToDecodeVi
 {
   MOZ_ASSERT(OnTaskQueue());
   SAMPLE_LOG("NeedToDecodeVideo() isDec=%d decToTar=%d minPrl=%d seek=%d enufVid=%d",
              IsVideoDecoding(), mDecodeToSeekTarget, mMinimizePreroll,
              mState == DECODER_STATE_SEEKING,
              HaveEnoughDecodedVideo());
   return IsVideoDecoding() &&
          ((mState == DECODER_STATE_SEEKING && mDecodeToSeekTarget) ||
-          (IsDecodingFirstFrame() &&
-           IsVideoDecoding() && VideoQueue().GetSize() == 0) ||
+          (IsDecodingFirstFrame() && VideoQueue().GetSize() == 0) ||
           (!mMinimizePreroll && !HaveEnoughDecodedVideo()));
 }
 
 bool
 MediaDecoderStateMachine::NeedToSkipToNextKeyframe()
 {
   MOZ_ASSERT(OnTaskQueue());
   if (IsDecodingFirstFrame()) {