diff --git a/bar.go b/bar.go
index 8c645bc..eb5be9a 100644
--- a/bar.go
+++ b/bar.go
@@ -161,8 +161,12 @@
 // If bar has been incremented to the total, complete event is
 // triggered right away.
 func (b *Bar) EnableTriggerComplete() {
-	select {
-	case b.operateState <- func(s *bState) {
+	triggerComplete := make(chan bool)
+	select {
+	case b.operateState <- func(s *bState) {
+		defer func() {
+			triggerComplete <- s.triggerComplete
+		}()
 		if s.triggerComplete {
 			return
 		}
@@ -174,6 +178,10 @@
 			s.triggerComplete = true
 		}
 	}:
+		triggerComplete := <-triggerComplete
+		if !triggerComplete {
+			<-b.done
+		}
 	case <-b.done:
 	}
 }