diff --git a/progress.go b/progress.go
index bd78839..e9df179 100644
--- a/progress.go
+++ b/progress.go
@@ -361,9 +361,9 @@
 		bs.priority = -1
 	}
 
-	bs.bufP = bytes.NewBuffer(make([]byte, 0, 64))
-	bs.bufB = bytes.NewBuffer(make([]byte, 0, 128))
-	bs.bufA = bytes.NewBuffer(make([]byte, 0, 64))
+	bs.bufP = bytes.NewBuffer(make([]byte, 0, 128))
+	bs.bufB = bytes.NewBuffer(make([]byte, 0, 256))
+	bs.bufA = bytes.NewBuffer(make([]byte, 0, 128))
 
 	return bs
 }