diff --git a/libavcodec/mpeg12dec.c b/libavcodec/mpeg12dec.c
index b93cbc4cf0..e7661e1a8d 100644
--- a/libavcodec/mpeg12dec.c
+++ b/libavcodec/mpeg12dec.c
@@ -2485,7 +2485,7 @@ static int decode_chunks(AVCodecContext *avctx, AVFrame *picture,
                     return ret;
                 else if (ret) {
                     // FIXME: merge with the stuff in mpeg_decode_slice
-                    if (s2->last_picture_ptr || s2->low_delay)
+                    if (s2->last_picture_ptr || s2->low_delay || s2->pict_type == AV_PICTURE_TYPE_B)
                         *got_output = 1;
                 }
             }