diff --git a/weed/server/common.go b/weed/server/common.go
index 2e0ae4058..2cd2276eb 100644
--- a/weed/server/common.go
+++ b/weed/server/common.go
@@ -280,6 +280,7 @@ func processRangeRequest(r *http.Request, w http.ResponseWriter, totalSize int64
 		w.Header().Set("Content-Length", strconv.FormatInt(ra.length, 10))
 		w.Header().Set("Content-Range", ra.contentRange(totalSize))
 
+		w.WriteHeader(http.StatusPartialContent)
 		err = writeFn(w, ra.start, ra.length)
 		if err != nil {
 			http.Error(w, err.Error(), http.StatusInternalServerError)