diff --git a/libavformat/idcin.c b/libavformat/idcin.c
index 4e455bfcee..61a27244b0 100644
--- a/libavformat/idcin.c
+++ b/libavformat/idcin.c
@@ -307,8 +307,6 @@ static int idcin_read_packet(AVFormatContext *s,
         }
         /* skip the number of decoded bytes (always equal to width * height) */
         avio_skip(pb, 4);
-        if (chunk_size < 4)
-            return AVERROR_INVALIDDATA;
         chunk_size -= 4;
         ret= av_get_packet(pb, pkt, chunk_size);
         if (ret < 0)