diff --git a/bar.go b/bar.go
index 22935a1..82ba69e 100644
--- a/bar.go
+++ b/bar.go
@@ -61,8 +61,10 @@
 		rev bool
 	}
 
-	afterBar *Bar // key for (*pState).queueBars
-	sync     bool
+	wait struct {
+		bar  *Bar // key for (*pState).queueBars
+		sync bool
+	}
 }
 
 type renderFrame struct {
@@ -342,8 +344,8 @@
 
 func (b *Bar) serve(ctx context.Context, bs *bState) {
 	defer b.container.bwg.Done()
-	if bs.afterBar != nil && bs.sync {
-		bs.afterBar.Wait()
+	if bs.wait.bar != nil && bs.wait.sync {
+		bs.wait.bar.Wait()
 	}
 	for {
 		select {
diff --git a/bar_option.go b/bar_option.go
index 9e0b9d8..d2233d4 100644
--- a/bar_option.go
+++ b/bar_option.go
@@ -69,8 +69,8 @@
 		return nil
 	}
 	return func(s *bState) {
-		s.afterBar = bar
-		s.sync = sync
+		s.wait.bar = bar
+		s.wait.sync = sync
 	}
 }
 
diff --git a/progress.go b/progress.go
index 20a1d0b..ea5a0c1 100644
--- a/progress.go
+++ b/progress.go
@@ -119,8 +119,8 @@
 	case p.operateState <- func(ps *pState) {
 		bs := ps.makeBarState(total, filler, options...)
 		bar := newBar(p, bs)
-		if bs.afterBar != nil {
-			ps.queueBars[bs.afterBar] = bar
+		if bs.wait.bar != nil {
+			ps.queueBars[bs.wait.bar] = bar
 		} else {
 			heap.Push(&ps.bHeap, bar)
 			ps.heapUpdated = true