diff --git a/bar.go b/bar.go
index eb5be9a..588d287 100644
--- a/bar.go
+++ b/bar.go
@@ -187,13 +187,16 @@
 }
 
 // SetTotal sets total to an arbitrary value. It's effective only for
-// bar which was constructed with `total <= 0`. Setting total to negative
-// value is equivalent to (*Bar).SetTotal((*Bar).Current(), bool).
-// If triggerCompleteNow is true then total value is set to current
-// and complete event is triggered right away.
+// bar which was constructed with `total <= 0` and if
+// (*Bar).EnableTriggerComplete hasn't been called yet. Setting total
+// to negative value is equivalent to (*Bar).SetTotal((*Bar).Current(),
+// bool). If triggerCompleteNow is true then total value is set to
+// current and complete event is triggered right away.
 func (b *Bar) SetTotal(total int64, triggerCompleteNow bool) {
-	select {
-	case b.operateState <- func(s *bState) {
+	triggerComplete := make(chan bool, 1)
+	select {
+	case b.operateState <- func(s *bState) {
+		triggerComplete <- s.triggerComplete
 		if s.triggerComplete {
 			return
 		}
@@ -209,7 +212,10 @@
 		}
 	}:
 		if triggerCompleteNow {
-			<-b.done
+			triggerComplete := <-triggerComplete
+			if !triggerComplete {
+				<-b.done
+			}
 		}
 	case <-b.done:
 	}