diff --git a/pkg/udpproxy/session.go b/pkg/udpproxy/session.go
index b802742..2d5b2b5 100644
--- a/pkg/udpproxy/session.go
+++ b/pkg/udpproxy/session.go
@@ -38,8 +38,8 @@ func newSession(caddr *net.UDPAddr, raddr *net.UDPAddr, proxyConn *net.UDPConn)
 }
 
 func (s *session) listen() error {
+	buf := make([]byte, 2048)
 	for {
-		buf := make([]byte, 2048)
 		n, err := s.serverConn.Read(buf)
 		if err != nil {
 			log.Error(err)
diff --git a/pkg/udpproxy/udpproxy.go b/pkg/udpproxy/udpproxy.go
index f2e66c9..6437da9 100644
--- a/pkg/udpproxy/udpproxy.go
+++ b/pkg/udpproxy/udpproxy.go
@@ -46,8 +46,8 @@ func (c *Client) ListenAndServe() error {
 
 	go c.pruneSessions()
 
+	buf := make([]byte, 2048)
 	for {
-		buf := make([]byte, 2048)
 		n, caddr, err := c.proxyConn.ReadFromUDP(buf)
 		if err != nil {
 			log.Error(err)