diff --git a/libavformat/hls.c b/libavformat/hls.c
index 7a8610cafb..846d884cb1 100644
--- a/libavformat/hls.c
+++ b/libavformat/hls.c
@@ -1983,6 +1983,10 @@ static int hls_probe(AVProbeData *p)
      * somewhere for a proper match. */
     if (strncmp(p->buf, "#EXTM3U", 7))
         return 0;
+
+    if (p->filename && !av_match_ext(p->filename, "m3u8,m3u"))
+        return 0;
+
     if (strstr(p->buf, "#EXT-X-STREAM-INF:")     ||
         strstr(p->buf, "#EXT-X-TARGETDURATION:") ||
         strstr(p->buf, "#EXT-X-MEDIA-SEQUENCE:"))