diff --git a/libavformat/qcp.c b/libavformat/qcp.c
index fdf18618d2..13a479a11e 100644
--- a/libavformat/qcp.c
+++ b/libavformat/qcp.c
@@ -105,7 +105,8 @@ static int qcp_read_header(AVFormatContext *s)
 
     st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
     st->codecpar->ch_layout  = (AVChannelLayout)AV_CHANNEL_LAYOUT_MONO;
-    avio_read(pb, buf, 16);
+    if (avio_read(pb, buf, 16) != 16)
+        return AVERROR_INVALIDDATA;
     if (is_qcelp_13k_guid(buf)) {
         st->codecpar->codec_id = AV_CODEC_ID_QCELP;
     } else if (!memcmp(buf, guid_evrc, 16)) {