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-rw-r--r--libavcodec/pngdec.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/pngdec.c b/libavcodec/pngdec.c
index 7bba394290..6e7eae04fc 100644
--- a/libavcodec/pngdec.c
+++ b/libavcodec/pngdec.c
@@ -1171,7 +1171,7 @@ static int decode_frame_png(AVCodecContext *avctx,
sig = bytestream2_get_be64(&s->gb);
if (sig != PNGSIG &&
sig != MNGSIG) {
- av_log(avctx, AV_LOG_ERROR, "Invalid PNG signature (%d).\n", buf_size);
+ av_log(avctx, AV_LOG_ERROR, "Invalid PNG signature 0x%08"PRIX64".\n", sig);
return AVERROR_INVALIDDATA;
}