diff --git a/libavformat/dashenc.c b/libavformat/dashenc.c
index df7a8564df860c08d5a59fcf4bda8515f8dbfbf5..b0bb35426bbd9643520ca55b04acdf2843cf6dca 100644
--- a/libavformat/dashenc.c
+++ b/libavformat/dashenc.c
@@ -1065,7 +1065,7 @@ static int dash_init(AVFormatContext *s)
 
         if (c->segment_type == SEGMENT_TYPE_MP4) {
             if (c->streaming)
-                av_dict_set(&opts, "movflags", "frag_every_frame+dash+delay_moov", 0);
+                av_dict_set(&opts, "movflags", "frag_every_frame+dash+delay_moov+global_sidx", 0);
             else
                 av_dict_set(&opts, "movflags", "frag_custom+dash+delay_moov", 0);
         } else {