diff --git a/pool.go b/pool.go
index 7ebfb02..59c3751 100644
--- a/pool.go
+++ b/pool.go
@@ -6,6 +6,9 @@ import (
 )
 
 func NewPool(dial func() (*Client, error), number int) (*Pool, error) {
+	if number <= 0 {
+		number = 1
+	}
 	ch := make(chan *Client, number)
 	p := &Pool{
 		ch: ch,