diff --git a/libavformat/argo_brp.c b/libavformat/argo_brp.c
index f88def3731..94b404b5d0 100644
--- a/libavformat/argo_brp.c
+++ b/libavformat/argo_brp.c
@@ -380,8 +380,8 @@ static int argo_brp_read_packet(AVFormatContext *s, AVPacket *pkt)
         if (blk.size < ASF_CHUNK_HEADER_SIZE)
             return AVERROR_INVALIDDATA;
 
-        if ((ret = avio_read(s->pb, buf, ASF_CHUNK_HEADER_SIZE)) < 0)
-            return ret;
+        if (avio_read(s->pb, buf, ASF_CHUNK_HEADER_SIZE) != ASF_CHUNK_HEADER_SIZE)
+            return AVERROR_INVALIDDATA;
 
         ff_argo_asf_parse_chunk_header(&ckhdr, buf);