diff --git a/bar.go b/bar.go
index 3d31501..2db7c3d 100644
--- a/bar.go
+++ b/bar.go
@@ -212,7 +212,11 @@
 func (b *Bar) SetTotal(total int64, complete bool) {
 	select {
 	case b.operateState <- func(s *bState) {
-		s.total = total
+		if total <= 0 {
+			s.total = s.current
+		} else {
+			s.total = total
+		}
 		if complete && !s.toComplete {
 			s.current = s.total
 			s.toComplete = true
diff --git a/proxyreader.go b/proxyreader.go
index 1034fe6..7361424 100644
--- a/proxyreader.go
+++ b/proxyreader.go
@@ -19,7 +19,7 @@
 	}
 	if err == io.EOF {
 		go func() {
-			prox.bar.SetTotal(prox.bar.Current(), true)
+			prox.bar.SetTotal(0, true)
 		}()
 	}
 	return
@@ -38,7 +38,7 @@
 	}
 	if err == io.EOF {
 		go func() {
-			prox.bar.SetTotal(prox.bar.Current(), true)
+			prox.bar.SetTotal(0, true)
 		}()
 	}
 	return