diff --git a/bar.go b/bar.go
index fcd7efd..2dc35dc 100644
--- a/bar.go
+++ b/bar.go
@@ -283,8 +283,8 @@
 	}
 	select {
 	case b.operateState <- func(s *bState) {
+		s.ewmaUpdate(n, dur)
 		s.current += n
-		s.ewmaUpdate(n, dur)
 		if s.triggerComplete && s.current >= s.total {
 			s.current = s.total
 			s.completed = true