1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/iff.c b/libavcodec/iff.c
index e02d2e77e5..faf4e21c42 100644
--- a/libavcodec/iff.c
+++ b/libavcodec/iff.c
@@ -1887,10 +1887,10 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *frame,
     }
 
     if (avpkt->flags & AV_PKT_FLAG_KEY) {
-        frame->key_frame = 1;
+        frame->flags |= AV_FRAME_FLAG_KEY;
         frame->pict_type = AV_PICTURE_TYPE_I;
     } else {
-        frame->key_frame = 0;
+        frame->flags &= ~AV_FRAME_FLAG_KEY;
         frame->pict_type = AV_PICTURE_TYPE_P;
     }