$ git diff http.c
diff --git a/libavformat/http.c b/libavformat/http.c
index 33585b0..26e482d 100644
--- a/libavformat/http.c
+++ b/libavformat/http.c
@@ -205,6 +205,7 @@ redo:
         if ((cur_auth_type == HTTP_AUTH_NONE || s->auth_state.stale) &&
             s->auth_state.auth_type != HTTP_AUTH_NONE && attempts < 4) {
             ffurl_closep(&s->hd);
+            lower_proto = "tcp";
             goto redo;
         } else
             goto fail;