diff --git a/libavformat/asfenc.c b/libavformat/asfenc.c
index fd4ca536b5..2901545f7a 100644
--- a/libavformat/asfenc.c
+++ b/libavformat/asfenc.c
@@ -400,7 +400,7 @@ static int asf_write_header1(AVFormatContext *s, int64_t file_size, int64_t data
 
         enc = s->streams[n]->codec;
         asf->streams[n].num = n + 1;
-        asf->streams[n].seq = 0;
+        asf->streams[n].seq = 1;
 
 
         switch(enc->codec_type) {
diff --git a/tests/ref/lavf/asf b/tests/ref/lavf/asf
index 180f98bed9..ad031a6642 100644
--- a/tests/ref/lavf/asf
+++ b/tests/ref/lavf/asf
@@ -1,3 +1,3 @@
-e60b298a4db9bcedaabaaee9f90d2a42 *./tests/data/lavf/lavf.asf
+e2ee0e05f020adb0aa84202a60211790 *./tests/data/lavf/lavf.asf
 333489 ./tests/data/lavf/lavf.asf
 ./tests/data/lavf/lavf.asf CRC=0x9f5ab3e6