diff --git a/lib/progress.c b/lib/progress.c
index 1f9f9f705d..4bcd615eba 100644
--- a/lib/progress.c
+++ b/lib/progress.c
@@ -241,6 +241,8 @@ void Curl_pgrsStartNow(struct Curl_easy *data)
   data->progress.is_t_startransfer_set = false;
   data->progress.ul_limit_start = data->progress.start;
   data->progress.dl_limit_start = data->progress.start;
+  data->progress.ul_limit_size = 0;
+  data->progress.dl_limit_size = 0;
   data->progress.downloaded = 0;
   data->progress.uploaded = 0;
   /* clear all bits except HIDE and HEADERS_OUT */