diff --git a/libavcodec/mpegpicture.c b/libavcodec/mpegpicture.c
index 902cbc71e1..19a48fafe8 100644
--- a/libavcodec/mpegpicture.c
+++ b/libavcodec/mpegpicture.c
@@ -253,8 +253,6 @@ fail:
 void ff_mpeg_unref_picture(AVCodecContext *avctx, Picture *pic)
 {
     pic->tf.f = pic->f;
-    /* WM Image / Screen codecs allocate internal buffers with different
-     * dimensions / colorspaces; ignore user-defined callbacks for these. */
     if (avctx->codec_id != AV_CODEC_ID_WMV3IMAGE &&
         avctx->codec_id != AV_CODEC_ID_VC1IMAGE  &&
         avctx->codec_id != AV_CODEC_ID_MSS2)
diff --git a/libavcodec/mpegvideo_dec.c b/libavcodec/mpegvideo_dec.c
index 0fe9abae5a..7bb81e7556 100644
--- a/libavcodec/mpegvideo_dec.c
+++ b/libavcodec/mpegvideo_dec.c
@@ -242,6 +242,8 @@ static int alloc_picture(MpegEncContext *s, Picture *pic)
 
     pic->tf.f = pic->f;
 
+    /* WM Image / Screen codecs allocate internal buffers with different
+     * dimensions / colorspaces; ignore user-defined callbacks for these. */
     if (avctx->codec_id != AV_CODEC_ID_WMV3IMAGE &&
         avctx->codec_id != AV_CODEC_ID_VC1IMAGE  &&
         avctx->codec_id != AV_CODEC_ID_MSS2) {