diff --git a/libavformat/hls.c b/libavformat/hls.c
index e8b7cf4006..8eae64b787 100644
--- a/libavformat/hls.c
+++ b/libavformat/hls.c
@@ -758,8 +758,10 @@ static int test_segment(AVFormatContext *s, const AVInputFormat *in_fmt, struct
                 matchF |=      av_match_ext(    seg->url, "ts")
                           + 2*(ff_match_url_ext(seg->url, "ts") > 0);
             }
-        } else if (!strcmp(in_fmt->name, "mpegts"))
-            matchF = 3;
+        } else if (!strcmp(in_fmt->name, "mpegts")) {
+            matchF =      av_match_ext(    seg->url, "ts,m2t,m2ts,mts,mpg,m4s,mpeg,mpegts")
+                     + 2*(ff_match_url_ext(seg->url, "ts,m2t,m2ts,mts,mpg,m4s,mpeg,mpegts") > 0);
+        }
 
         if (!(matchA & matchF)) {
             av_log(s, AV_LOG_ERROR, "detected format %s extension %s mismatches allowed extensions in url %s\n", in_fmt->name, in_fmt->extensions ? in_fmt->extensions : "none", seg->url);