diff --git a/codec/h264/h264dec/decode.go b/codec/h264/h264dec/decode.go
index abecbb7e..25c81c75 100644
--- a/codec/h264/h264dec/decode.go
+++ b/codec/h264/h264dec/decode.go
@@ -93,13 +93,11 @@ func decodePicOrderCntType0(vid *VideoStream, ctx *SliceContext) (topFieldOrderC
 		panic("not implemented")
 	}
 
-	switch {
-	case (ctx.PicOrderCntLsb < prevPicOrderCntLsb) && ((prevPicOrderCntLsb - ctx.PicOrderCntLsb) >= (vid.maxPicOrderCntLsb / 2)):
+	vid.picOrderCntMsb = prevPicOrderCntMsb
+	if ctx.PicOrderCntLsb < prevPicOrderCntLsb && (prevPicOrderCntLsb-ctx.PicOrderCntLsb) >= (vid.maxPicOrderCntLsb/2) {
 		vid.picOrderCntMsb = prevPicOrderCntMsb + vid.maxPicOrderCntLsb
-	case (ctx.PicOrderCntLsb > prevPicOrderCntLsb) && ((ctx.PicOrderCntLsb - prevPicOrderCntLsb) > (vid.maxPicOrderCntLsb / 2)):
+	} else if ctx.PicOrderCntLsb > prevPicOrderCntLsb && (ctx.PicOrderCntLsb-prevPicOrderCntLsb) > (vid.maxPicOrderCntLsb/2) {
 		vid.picOrderCntMsb = prevPicOrderCntMsb - vid.maxPicOrderCntLsb
-	default:
-		vid.picOrderCntMsb = prevPicOrderCntMsb
 	}
 
 	if !ctx.BottomField {