diff --git a/progress.go b/progress.go
index ec795d9..e09d8f1 100644
--- a/progress.go
+++ b/progress.go
@@ -289,6 +289,7 @@
 	var wg sync.WaitGroup
 	var popCount int
 	rows := s.rows[:0]
+	pool := make([]*Bar, 0, s.bHeap.Len())
 	for s.bHeap.Len() > 0 {
 		var usedRows int
 		b := heap.Pop(&s.bHeap).(*Bar)
@@ -315,7 +316,7 @@
 			if qb, ok := s.queueBars[b]; ok {
 				delete(s.queueBars, b)
 				qb.priority = b.priority
-				defer heap.Push(&s.bHeap, qb)
+				pool = append(pool, qb)
 				drop = true
 			} else if s.popCompleted && !b.bs.noPop {
 				if frame.shutdown > 1 {
@@ -331,7 +332,11 @@
 				continue
 			}
 		}
-		defer heap.Push(&s.bHeap, b)
+		pool = append(pool, b)
+	}
+
+	for _, b := range pool {
+		heap.Push(&s.bHeap, b)
 	}
 
 	for i := len(rows) - 1; i >= 0; i-- {